Bathroom Renovation Chelsea - All Trades In House | Fixed Price Guarantee
✓ Bathroom Renovation Chelsea | ✓ Gas Safe Plumbers In House | ✓ NICEIC Electricians In House | ✓ Fixed Price Guarantee | ✓ All Trades In House | ✓ Free Site Visit
A homeowner on Draycott Avenue called us in February.
She had obtained three quotes for a complete bathroom renovation in her Chelsea SW3 Victorian terrace. The quotes were £6,200, £14,800, and £23,500. The same bathroom. The same brief. Three wildly different figures. She did not know which to believe. She did not know what was included in each quote and what was not. She did not know why the gap between the lowest and highest was £17,300.
She called us for a fourth quote and asked us to explain it.
The £6,200 quote was a bathroom fitter only, no plumbing, no electrics, no tiling, no fixtures. She would have needed to source and pay a plumber, an electrician, and a tiler separately, each of whom would have added £2,000 to £4,000 to the total. The £6,200 quote would have cost £14,000 to £18,000 by the time the bathroom was actually finished.
The £14,800 quote included plumbing, electrics, and tiling but excluded fixtures. For a Chelsea SW3 bathroom, sanitaryware, taps, shower enclosure, and accessories typically add £3,000 to £8,000, depending on specification.
The £23,500 quote was all-inclusive but had been prepared by a company that subcontracts every trade, meaning three separate companies working on rotating schedules, each responsible to their subcontractor rather than to the homeowner.
Our quote for the Draycott Avenue bathroom: £16,400. That covered everything. Gas Safe plumbing in the house. NICEIC electrics in-house. Tiling in the house. Strip out and disposal included. Waterproofing included fixtures sourced and supplied by us at the specification the homeowner chose. Project managed by us throughout. One fixed price. One team. One point of contact. No subcontractors. The bathroom was completed in eleven working days.
The homeowner on Draycott Avenue now knows exactly why three bathroom renovation quotes in Chelsea can be £17,300 apart and why the cheapest is rarely what it appears to be.
Professional bathroom renovation across Chelsea SW3, Knightsbridge, South Kensington, and Belgravia. Gas Safe plumbers, NICEIC electricians, and tilers all in-house. Fixed prices from £8,000. Period property and listed building bathroom specialists. Free site visit.
Benefits:
- Bathroom renovation, Chelsea Gas Safe and NICEIC certified
- All trades in-house plumbing, electrics, tiling, no subcontractors
- Fixed price guarantee: the price quoted is the price paid
- Victorian and period property bathroom renovation specialists
- Listed building and conservation area bathroom experts
- En suite, master, family, and small bathroom renovation
- Fixture supply included one quote that covers everything
- Free site visit and written fixed price quotation
- 12-month workmanship guarantee on all bathroom renovation Chelsea
- From £8,000 Complete Renovation
- All Trades In House
- Fixed Price Guarantee
- Free Site Visit
📞 Free Quote: 020 7129 7418
Standard Call Out Charge | £95.00 +vat (additional hours @£75 p/h) |
Electrician | £115.00 +vat (additional hours @£95 p/h) |
Heating / Gas Engineer | £115.00 +vat (additional hours @£95 p/h) |
EICR (Electrical Installation Condition Report) | £240-420.00 +vat P.O.A |
PAT (Portable Appliance Test *incl 12 items) | £105.00 +vat (additional £5.00 per item ) |
GSI (Gas Safety Inspection) | £110.00 +vat |
Boiler Service | £120.00 +vat |
Combined GSI & Boiler Service | £210.00 +vat |
The homeowner on Draycott Avenue had done everything correctly. She had obtained multiple quotes before committing. She had briefed each company identically, a complete bathroom renovation, Victorian terrace in Chelsea SW3, existing bathroom approximately 5.5 square metres, bath removed and replaced with a walk-in shower, full retile floor and walls, new vanity unit and basin, all new fixtures throughout. She had given every company the same information.
The quotes she received back were £6,200, £14,800, and £23,500. Three professional companies. Three written quotations. Seventeen thousand three hundred pounds between the lowest and highest.
This is not unusual for bathroom renovation quotes in Chelsea. It is, in our experience, entirely typical. The variation is not random. It is the predictable result of three companies quoting for three entirely different scopes of work while using the same phrase bathroom renovation to describe what they would deliver.
The £6,200 quote came from a bathroom fitter. This is an important distinction that is not always obvious from the company name or the way the quote is presented. A bathroom fitter installs bathroom furniture, the bath or shower enclosure, the vanity unit, the WC, and the accessories. They do not do plumbing. They do not do electrics. They do not tile.
The £6,200 quote assumed that a Gas Safe plumber would re-run the pipework, cap the existing bath supply, install the new shower waste, and connect all new sanitaryware. It is assumed that a NICEIC electrician would install the new lighting, the extractor fan, and the shaver point. It is assumed that a tiler would tile the floor and walls to the homeowner’s chosen specification.
Each of those three additional contractors brought in separately, managed separately, and scheduled separately would have added between £2,000 and £4,000 to the total cost. A realistic cost for the completed bathroom from the £6,200 starting point was between £14,000 and £18,000. The figure that appeared in the quote was the cost of one element of the work presented as if it were the cost of the whole.
The £14,800 quote was more comprehensive. It included plumbing, electrics, and tiling. It was a genuinely comparable starting point. The problem was in the specification: fixtures were excluded. Sanitaryware the shower enclosure, basin, WC, vanity unit, taps, and all accessories, were listed as customer supply.
For a standard bathroom renovation in Chelsea, the fixture budget for quality sanitaryware appropriate to the property and its market is typically between £3,000 and £8,000. At the lower end, a basic but acceptable specification, the total from the £14,800 quote would have been around £17,800. At the upper end specification appropriate for a Chelsea SW3 Victorian terrace and its resale context, the total approached £23,000.
This is not dishonesty on the part of the company that submitted the £14,800 quote. It is simply a different scope. But it makes the quote incomparable to any other quote that does include fixtures, which is the primary reason Chelsea homeowners receive bathroom renovation quotes they cannot make sense of.
The £23,500 quote was comprehensive. It included all trades and all fixtures. On paper, it was the most complete and therefore the most directly comparable to our own fixed-price approach. The question was not what was included but how the work would be delivered.
The company that submitted the £23,500 quote operates as a principal contractor; they manage the project and subcontract individual trades to specialist firms on their approved list. This is a legitimate and widely used model in the construction industry. The consequences for the homeowner are specific to understand.
Subcontracted plumbers, electricians, and tilers each have their own schedules. Coordination between them, sequencing first fix plumbing before waterproofing, waterproofing before tiling, tiling before second fix electrics, requires constant management. When a subcontractor is delayed by another job, the entire bathroom renovation programme stops until they return. When a problem emerges at the junction between two subcontracted trades, who is responsible, who bears the cost of rectification, the answer is rarely straightforward.
The homeowner on Draycott Avenue would have been paying a premium for project management of a team she had never met, working to schedules she could not control, with no single person directly responsible for the complete result.
A bathroom renovation quote in Chelsea that allows genuine comparison with other quotes must include all of the following as a single fixed price. Demolition and strip out removal of existing bathroom fittings, tiles, and floor coverings, with waste disposal. Gas Safe plumbing reconfiguring the pipework layout to the new design, installing all new pipe runs, connecting all sanitaryware, and installing the new shower waste.
NICEIC electrical installing new lighting circuit, extractor fan and duct, shaver socket, and any towel rail electrical connection. Waterproofing tanking the shower area to the appropriate specification for the tile and fixture choice. Tiling floor and walls to the specified tile type and layout. Fixture supplies all sanitaryware, taps, shower enclosures, accessories, and towel radiators at the agreed specification. Second fix and completion fitting all fixtures, connecting all services, completing all finishes. Snagging and sign-off inspection and rectification of any incomplete items before handover.
If any of these elements are not explicitly included in the quote you have received, the quote is incomplete. The true cost of the bathroom renovation will be higher than the number on the page.
Complete bathroom renovation across Chelsea SW3, covering every stage from strip out to final handover. Gas Safe plumbing, NICEIC electrics, waterproofing, tiling, fixture supply, and second fix all delivered by our in-house team. One fixed price. One team. No subcontractors.
Complete bathroom renovation Chelsea is our most requested service, covering the full transformation of an existing bathroom into a new space. New layout or existing layout retained. New shower or existing bath position. Bespoke storage or standard vanity units. Every specification, from functional to luxury. Every Chelsea property type, from studio flat to townhouse.
Our complete bathroom renovation Chelsea service includes a free site visit before any quotation because accurate fixed-price quoting requires seeing the existing bathroom, understanding the property type and access, and discussing the specification in enough detail to price everything correctly before work begins.
En-suite bathroom renovation across Chelsea period properties, from small secondary en-suites in Victorian terrace bedrooms to full-sized master en-suites in Chelsea townhouses and mansion blocks. En-suite renovation Chelsea presents specific challenges, such as tight access, restricted plumbing routes in older properties, and the need for quiet, dust-controlled working in an occupied bedroom corridor.
Our en suite renovation Chelsea service applies the same all-trades-in-house approach as our complete bathroom renovation. Gas Safe plumbing, NICEIC electrics, waterproofing, and tiling all delivered by our team. En suite renovation in Chelsea Victorian terraces typically involves careful routing of new pipework through existing floor voids where accessible, and coordination of waterproofing to a high standard, given the proximity to bedroom areas.
Family bathroom renovation for Chelsea SW3 properties with shared bathroom facilities designed to balance durability with the specification appropriate for a Chelsea address. Family bathrooms in Chelsea Victorian terraces are typically the principal bathroom on the first floor, replacing an original Victorian bathroom that may retain cast iron sanitaryware, period tiles, or structural elements that require careful handling.
Our family bathroom renovation Chelsea service includes honest advice on which period elements are worth retaining, a reclaimed Victorian roll-top bath, original encaustic floor tiles, or a period cast iron radiator and which are best replaced. This advice is grounded in our knowledge of Chelsea period properties rather than a generic renovation preference.
Small bathroom renovation for Chelsea properties where space is genuinely constrained, such as second bathrooms in Victorian terraces, bathrooms created from box rooms in loft conversions, and compact en-suites in mansion block apartments. Small bathroom renovation Chelsea requires specific design knowledge to create a functional, well-specified bathroom in a space that is significantly smaller than standard.
Our small bathroom renovation Chelsea service includes space planning as part of the free site visit, identifying the most efficient layout for the available space, recommending fixtures specifically designed for compact installation, and maximising the visual impact of the finished bathroom through tile choice, lighting, and storage specification. A well-designed small bathroom in a Chelsea property should feel generous rather than cramped.
Victorian bathroom renovation is the specification that defines the majority of our bathroom renovation Chelsea work, because the majority of Chelsea’s residential properties are Victorian terraces built between 1840 and 1890. These properties have specific bathroom renovation requirements that differ meaningfully from modern residential bathrooms.
Original Victorian pipework, iron soil pipes, and lead supply pipes in some older properties require assessment and often partial or complete replacement during renovation. Victorian floor structures, timber joists with thin floorboards, require careful consideration for wet room or walk-in shower installation, where the floor is penetrated for a linear drain. Victorian ceiling heights are typically higher than modern construction affect the proportions of tiling and the specification of shower enclosures. The Victorian period features original fireplaces in bathrooms that have been converted from bedrooms, original window locations, and period cornicing may need to be worked around or incorporated rather than simply removed.
Our Victorian bathroom renovation Chelsea team understands these specific challenges because we work in Victorian properties across SW3 every day.
Listed building bathroom renovation in Chelsea and Belgravia, handling the specific requirements of Grade I, Grade II*, and Grade II listed properties where bathroom renovation must respect the listing conditions and, in some cases, obtain Listed Building Consent before work begins.
Most bathroom renovations in Chelsea listed buildings do not require Listed Building Consent where the work is confined to the bathroom itself and does not affect the character of the listed building, but this position requires assessment for each specific property and each specific scope of work. We assess the consent position at the site visit stage and advise clearly before any quotation is prepared.
Where Listed Building Consent is required, typically for work that affects original features, structural elements, or external fabric, we prepare the application and liaise with the Royal Borough of Kensington and Chelsea on the homeowner’s behalf.
Wetroom installation across Chelsea period properties, creating seamless level-access shower spaces that combine practical accessibility with high-end finish. Wetroom installation in Chelsea Victorian terraces requires specific waterproofing expertise. The tanked liner system must be correctly detailed at all junctions with walls and floor penetrations, and the structural adequacy of the Victorian timber floor must be assessed before installation begins.
Our wetroom installation Chelsea service includes structural assessment of the existing floor, specification of the appropriate waterproofing system, correct drainage gradient to the linear or point drain, and tiling specification that achieves the correct anti-slip surface without compromising the design aesthetic.
Bath to shower conversion across Chelsea, removing an existing bath and replacing it with a walk-in shower enclosure or wetroom, reconfiguring the plumbing to the new layout, and completing all associated tiling and fixture installation. Bath to shower conversion is one of the most common bathroom renovation requests we receive from Chelsea homeowners, reflecting both the preference for shower facilities in modern daily use and the value of freeing floor space in bathrooms where the bath occupies a disproportionate amount of the room.
Bath to shower conversion in Chelsea period properties includes a Gas Safe assessment of the existing plumbing layout, identification of the most efficient new pipe routing to the shower position, correct waterproofing of the shower area, and removal and disposal of the existing bath.
Bathroom refurbishment for Chelsea properties where the existing layout and sanitaryware are retained and the improvement focus is on refreshing the finish, retiling, replacing taps and accessories, updating lighting, and improving storage. Bathroom refurbishment Chelsea is the appropriate scope where the existing plumbing layout is sound and the bathroom functions correctly, but no longer meets the standard expected in a Chelsea property.
Our bathroom refurbishment Chelsea service applies the same fixed-price approach as our full renovation. The price quoted for retiling, new fixtures, and updated electrics is the price paid with no additions during the work.
What Is Included in Our Bathroom Renovation Chelsea Service
Complete removal of the existing bathroom, all sanitaryware, all tiles, all floor coverings, all fitted furniture. Waste is bagged, removed from the property, and disposed of correctly. The bathroom is left as a clean, empty shell ready for first fix work. Disposal cost is included in the fixed price; there are no skip hire additions or waste removal supplements.
All plumbing work carried out by our Gas Safe registered plumbers our direct employees, not subcontractors. Reconfiguring existing pipework to the new layout. Installing new supply pipes to the shower, basin, bath, and WC positions. Installing new waste pipes where required. Connecting all sanitaryware. Installing the shower waste and trap. Pressure testing all connections before the floor and walls are closed in. Our plumbers are on site at first fix and return for second fix connection of all fixtures. No coordination required with a separate company. No scheduling delays because a subcontractor is busy elsewhere.
All electrical work carried out by our NICEIC-approved electricians our direct employees, not subcontractors. Installing a new lighting circuit, typically recessed ceiling lighting, in the bathroom specification. Extractor fan installation and ducting to the external vent or roof. Shaver socket installation where specified. Electrical towel rail connection where specified. All work carried out to Part P of the Building Regulations. NICEIC certification is issued on completion, confirming the electrical installation is safe and compliant.
Tanking of the shower area and any wet zones to the appropriate specification for the tile and fixture choice. We specify the waterproofing system for the tile weight and format. Large-format tiles on a shower wall require a more robust tanking specification than smaller-format tiles on a dryer wall surface. Substrate preparation for all tiling surfaces, ensuring the existing wall structure is suitable for tiling or installing appropriate backer board where it is not. Floor preparation for new floor tiles, levelling the existing floor and installing a decoupling membrane where required.
All tiling is carried out by our in-house tilers working directly with our plumbers and electricians to sequence the installation correctly. Wall tiling after first fix plumbing and electrics are complete. Floor tiling after wall tiling is set. Grouting and silicone sealing after all tiles are laid and set. Our tilers specify the correct tile adhesive and grout for each tile format and substrate. Large-format tiles on Chelsea period property walls require specific flexible adhesive systems. Grout joint size, grout colour, and silicone colour are all confirmed with the homeowner before tiling begins.
All sanitaryware, taps, shower enclosure, shower fittings, bath where retained or replaced, vanity unit, basin, WC, towel radiator, and bathroom accessories sourced by us and supplied as part of the fixed price at the specification agreed during the design consultation. We work with established sanitaryware suppliers and can source products across the full range from standard specification to luxury bespoke.
We do not mark up fixtures arbitrarily; our fixture pricing is transparent, and the specification is agreed upon before the fixed price is confirmed.
Electric underfloor heating installation beneath floor tiles is available as an addition to any Chelsea bathroom renovation. We specify the correct mat wattage for the bathroom floor area, install the heating mat during floor preparation before the tile bed is laid, and install the thermostat and timer in the appropriate location. Underfloor heating is particularly popular in Chelsea bathroom renovations where the existing cast iron radiator is being removed as part of the renovation, providing comfortable heat output without the visual impact of a wall-mounted radiator.
Extractor fan installation and ducting to the correct specification for the bathroom size and use pattern. Building Regulations require minimum ventilation rates for bathrooms. Our NICEIC electricians specify the correct fan unit and duct the extraction correctly to the external fabric or roof void. In Chelsea period properties, duct routing requires specific attention. We route extraction to minimise visual impact on period features and confirm the route before any installation begins.
Post-completion inspection of every element of the bathroom renovation, confirming all tiles are correctly fixed and grouted, all fixtures are correctly installed and functioning, all electrics are certified and operating correctly, all plumbing connections are watertight, and all silicone joints are neat and correctly applied. Any items identified at snagging are rectified before the bathroom is handed over. The bathroom is cleaned and presented to the homeowner, ready for use. The 12-month workmanship guarantee is issued on the day of handover.
Bathroom Renovation Costs Chelsea
A small bathroom renovation in Chelsea, floor area up to approximately 4 square metres with a walk-in shower replacing the existing bath, full tile floor and walls, new vanity unit and basin, new WC, and standard specification sanitaryware: typically £5,500 to £8,000 for the complete project including all trades and fixtures.
The variables that move the cost within this range are tile specification, large format tiles in a small bathroom require more cuts and more adhesive than smaller format tiles, increasing both materials cost and installation time and fixture specification, where the difference between standard and mid-range sanitaryware in a small bathroom is typically £800 to £2,000.
A standard bathroom renovation in Chelsea floor area of approximately 5 to 8 square metres, with a complete new layout or retained layout, walk-in shower and retained or new bath, full retile, new vanity furniture, new sanitaryware throughout, and mid-range fixture specification: typically £8,000 to £15,000 for the complete project.
This is the most common specification for principal bathrooms in Chelsea Victorian terraces, and the range within which the Draycott Avenue bathroom was priced. The £16,400 quoted for Draycott Avenue was at the upper end of this range, reflecting a specification that included higher-end sanitaryware and a particularly detailed tiling design with two contrasting tile formats.
An en suite renovation in Chelsea floor area typically 2 to 5 square metres with a walk-in shower, vanity unit and basin, WC, and standard to mid-range specification: typically £6,000 to £10,000 for the complete project. En suite renovation cost in Chelsea is influenced primarily by the existing plumbing position relative to the new layout en-suites, where the plumbing can be reconfigured within the existing floor void without significant structural work, coming in at the lower end of this range.
A master bathroom renovation in Chelsea floor area of 8 square metres and above, with full walk-in shower, freestanding bath, double vanity, heated towel rails, and higher-specification sanitaryware: typically £15,000 to £35,000 for the complete project. Master bathroom renovation in Chelsea townhouses and larger terraces often involves a more complex layout reconfiguration, bespoke vanity furniture, and higher-end tile and fixture specifications that reflect the property’s market position.
The four factors that have the most significant effect on bathroom renovation cost in Chelsea are the extent of plumbing reconfiguration required a bathroom where the layout is retained costs less to plumb than one where shower, bath, and basin are all moving the tile specification chosen large format tiles, natural stone, and complex layouts all increase tiling cost the sanitaryware specification the range from standard to bespoke is wide and whether the existing floor structure requires significant preparation work before tiling.
In Chelsea period properties, the floor structure variable is particularly relevant. Victorian timber floors may require additional support for heavy stone floor tiles. Wetroom installations require a specific assessment of the floor joist depth and direction relative to the drainage position. These elements are identified and costed during the free site visit, so the fixed price you receive reflects the specific conditions of your bathroom, not a generic estimate.
Bathroom Renovation in Chelsea Period Properties
The Victorian terrace is the dominant property type across Chelsea SW3, and Victorian terrace bathrooms present a consistent set of characteristics that differentiate our bathroom renovation Chelsea work from renovation in modern properties.
Original pipework. Many Chelsea Victorian terraces retain iron soil pipes, the vertical waste stacks that have been in place since the properties were plumbed for the first time in the late Victorian period. These pipes are typically sound structurally but may need collar repairs or partial replacement when a new bathroom layout requires new connections. Lead supply pipes are present in some properties built before 1900. Where they are found, we advise replacement with modern copper or plastic pipework as part of the renovation.
Timber floor structures. Victorian terrace floors are suspended timber joists spanning between walls with floorboards above. For standard tiled bathroom floors on a timber substrate, the correct specification is a decoupling membrane beneath the tile bed, preventing tile cracking when the floor flexes slightly under load. For wetroom installations with a linear drain, the floor joist depth and direction must be assessed before the drainage layout is designed.
High ceilings. Chelsea Victorian terrace bathrooms typically have ceiling heights of 2.6 to 3.0 metres, significantly higher than modern construction. Tiling to full ceiling height in these bathrooms requires more tiles and more installation time than in modern bathrooms with 2.4 metre ceilings. Partial tiling to a dado rail height is an option that some Chelsea homeowners choose for period bathrooms, creating a visual division that references the original Victorian use of dado rails in these spaces.
Listed building bathroom renovation in Chelsea requires assessment of the specific listing conditions that apply to the property before any specification decisions are made. Most bathroom renovation work in Chelsea listed buildings, where it is confined to the bathroom itself, does not affect original features, and does not alter the external appearance of the property, proceeds without Listed Building Consent under existing permitted development provisions.
Work that may require Listed Building Consent includes alterations to original features within the bathroom, such as an original fireplace, removal of original floors, such as period encaustic tiles where they are specifically mentioned in the listing description, any work that creates or alters an opening in the listed building fabric, and any external works, such as adding an extraction vent to an elevation.
We advise on the consent position for every listed building bathroom renovation Chelsea project at the site visit stage, and never begin work until the planning position has been confirmed.
The Chelsea Conservation Area designation does not affect internal bathroom renovation work. Conservation area restrictions apply to external works, alterations to the appearance of the building’s principal elevations, additions visible from the public realm, changes to rooflines and materials.
The one element of bathroom renovation that may have conservation area implications is external extraction ducting. Where the extraction duct exits through an external wall on a principal elevation or through a roof slope visible from the street, the duct and grille must be specified to minimise visual impact. We use discreet, period-appropriate duct terminals wherever conservation area considerations are relevant.
Mansion block bathroom renovation in Chelsea presents different challenges from terrace and townhouse renovation. Mansion block bathrooms typically have concrete-framed floors, which are concrete slabs rather than suspended timber, which simplifies wetroom installation but requires diamond cutting for new waste penetrations. Drainage routes in mansion blocks must be confirmed against the building’s existing waste stack positions, and in some cases, new waste runs must follow the path of the existing stack rather than the most direct route to the sewer.
Management company approval may be required for significant plumbing reconfiguration in Chelsea mansion blocks, particularly where work involves penetrating concrete floors or connecting to shared waste stacks. We advise on management company requirements at the site visit stage and assist with the documentation where approval is needed.
The consistent theme across Victorian terraces, listed buildings, and mansion blocks is that Chelsea period property bathroom renovation requires specific knowledge that generic bathroom fitting does not. Our team works in Chelsea period properties every day, and the accumulated knowledge of Victorian plumbing configurations, timber floor specifications, listed building consent requirements, and mansion block management processes is what makes our bathroom renovation Chelsea service genuinely suited to Chelsea properties rather than just to bathrooms in general.
Why Choose Our Bathroom Renovation Chelsea Service
Gas Safe plumbers. NICEIC electricians. Tilers. All are employed directly by Chelsea Property Renovation & Maintenance Ltd. All available for your bathroom renovation from first fix through to second fix. No coordination with separate companies. No scheduling delays because a subcontractor is committed elsewhere. No disputes between trades about who is responsible for what. One team. One timeline. One point of responsibility from strip out to handover.
This is the single most important structural advantage of our bathroom renovation Chelsea service, and the reason that projects completed by our team finish on the programme we quote rather than running over because a subcontracted plumber could not attend on the scheduled day.
All our plumbing team are Gas Safe registered, the legally required certification for anyone working on gas appliances and pipework. Bathroom renovation in Chelsea often involves working in proximity to the gas supply to the property, and in properties with gas-fired towel radiators, the Gas Safe registration of the plumber doing the work is not optional; it is a legal requirement. Our Gas Safe registration number is available on request and can be verified at gassaferegister.co.uk.
All our electrical team are NICEIC approved, the highest standard for electrical contractors in the UK. NICEIC approval means our bathroom electrical work is inspected and certified by an independent body, not self-certified. The NICEIC certificate we issue on completion of every bathroom renovation Chelsea project is the document that proves the electrical installation is safe, compliant, and correctly notified under Part P of the Building Regulations.
The price on our bathroom renovation Chelsea quotation is the price on our invoice. We do not add items during the renovation. We do not present variations for work that was always going to be required but was not included in the original quote. If we discover something during strip out that affects the cost of unusual pipework, floor damage, or structural issues, we stop, discuss it with you, and agree on any change to the price before proceeding. You are never presented with an unexpected bill at the end.
Every bathroom renovation Chelsea quotation begins with a free site visit, one of our senior team members attends your Chelsea property, inspects the existing bathroom, discusses the proposed scope in detail, and takes the measurements and photographs required to prepare an accurate fixed-price quotation. The site visit takes between 30 and 60 minutes. The written quotation is issued within 48 hours of the visit. There is no charge for the site visit and no obligation to proceed.
Throughout your bathroom renovation, Chelsea project, you have a single point of contact, the project manager responsible for your job. All questions go to them. All updates come from them. Any concerns are addressed by them. You do not need to manage communication between a plumber, an electrician, and a tiler; that is our job. Your job is to choose the specification you want and confirm that you are satisfied with the result.
289 Brompton Road SW3. Our bathroom renovation Chelsea team is genuinely local, familiar with every street in Chelsea, knowledgeable about the specific property types and their bathroom renovation requirements, and available to attend your property quickly for site visits, progress checks, and any post-completion matters that arise under the guarantee. Not a national bathroom company operating in Chelsea from a head office elsewhere. A Chelsea team doing Chelsea work.
All bathroom renovation Chelsea work guaranteed for 12 months from completion, covering all labour and installation. If any issue arises with our workmanship within 12 months, we will attend to and rectify it at no cost. The sanitaryware and fixtures we supply carry manufacturer warranties up to 10 years, depending on the product we provide all warranty documentation at handover.
Our project manager attends your Chelsea property. Existing bathroom inspected, condition of existing pipework, floor structure, wall substrate, and electrics all assessed. New layout discussed. Specification agreed in outline tile preferences, sanitaryware style, fixture specification, and storage requirements. Photographs taken. Measurements recorded. No charge. No obligation.
Written fixed price quotation covering every element of the bathroom renovation, strip out, plumbing, electrics, waterproofing, tiling, all fixtures, second fix, and snagging. Line-by-line breakdown available on request. The price on the quote is the price on the invoice.
Following acceptance of the fixed price, tile selection, sanitaryware specification, and all fixture choices are confirmed. Our team assists with specification, recommending tile formats and finishes appropriate for the bathroom size, and sanitaryware appropriate for the property type and specification. Fixtures ordered before the start date to ensure availability for the installation programme.
Complete removal of the existing bathroom, all sanitaryware, tiles, floor coverings, and fitted furniture. All waste was removed from the property and correctly disposed of. Bathroom left as a clean, empty shell. Existing pipework and electrics were assessed in their exposed state, confirming that the conditions match the site visit assessment or identifying anything that needs to be addressed before first fix begins.
Gas Safe plumbers re-run pipework to the new layout, new supply and waste runs installed, capped and pressure tested. NICEIC electricians run new lighting circuit, extractor duct, and any additional circuits required. All first fix work is completed before any boarding or waterproofing begins, ensuring every pipe and cable route is confirmed and accessible before it is concealed.
Tanking of the shower area and all wet zones to the appropriate specification. Substrate preparation for tiling surfaces, backer board installation where required. Floor preparation, levelling compound where needed, and decoupling membrane on timber floors. All waterproofing is inspected and confirmed before tiling begins.
Wall tiling completed first, working from the most visible wall outward, setting out to minimise cuts in prominent positions. Floor tiling is completed after wall tiles are set. Grout is applied after all tiles are fully set. Silicone joints at all internal angles and at all tile-to-fixture junctions are applied after grouting.
Gas Safe plumbers connect all sanitaryware basins, WC, shower, bath, where applicable, and towel radiator. NICEIC electricians fit light fittings, extractor fan, shaver socket, and any heated towel rail electrical connections. Vanity furniture and storage installed. All accessories fitted.
Complete inspection of every element, tiles, grouting, silicone, fixture connections, electrical fittings, plumbing joints, and overall finish. Any items identified are rectified before handover. Bathroom cleaned and presented ready for use.
The project manager walks through the completed bathroom with the homeowner, confirming satisfaction with every element. 12-month workmanship guarantee issued. NICEIC electrical certificate issued. Gas Safe completion notice, where applicable. All sanitaryware manufacturer warranties are provided. Instructions for any smart controls, thermostatically controlled fixtures, or underfloor heating systems are demonstrated. Call 020 7129 7418 to begin.
Areas We Cover for Flat Roof Repair
Bathroom Renovation Chelsea SW3 Our primary bathroom renovation area. All SW3 addresses, Draycott Avenue, King’s Road, Cheyne Walk, Oakley Street, Paultons Square, Carlyle Square all within our immediate service area. Victorian terrace, mansion block, and townhouse bathroom renovation specialists. Free site visit. Same week availability for most weeks. Call 020 7129 7418.
Bathroom Renovation Chelsea SW10 Complete bathroom renovation coverage across Chelsea SW10. Fulham Road, Old Church Street, World’s End, and all SW10 addresses. Same expertise, same fixed prices, same all-trades-in-house approach as SW3. Call 020 7129 7418.
Bathroom Renovation Knightsbridge SW1X Bathroom renovation across Knightsbridge SW1X Brompton Road, Pont Street, Hans Crescent, Lennox Gardens. Period property bathroom renovation specialists. Listed building and conservation area experience. All trades in-house. Free site visit. Call 020 7129 7418.
Bathroom Renovation South Kensington SW7 Bathroom renovation across South Kensington SW7. Onslow Gardens, Thurloe Street, Cranley Gardens, Old Brompton Road. Victorian and Edwardian period property specialists. Fixed price. All trades in-house. Free site visit. Call 020 7129 7418.
Bathroom Renovation Belgravia SW1 Bathroom renovation across Belgravia SW1, Eaton Square, Chester Square, Elizabeth Street, Belgrave Square. Listed building bathroom renovation specialists for Belgravia’s concentration of Grade I and Grade II listed properties. Listed Building Consent management where required. Free site visit. Call 020 7129 7418.
Bathroom Renovation Kensington W8 Bathroom renovation extending to Kensington W8. All bathroom renovation services available across W8 with the same fixed prices, all-trades-in-house approach, and period property expertise as our core Chelsea coverage area. Call 020 7129 7418.
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Complete property refurbishment across Belgravia, including all guttering, roofing, structural, and interior works on listed buildings.
Downpipe blockages and guttering failures frequently affect the drainage system below ground. Our drain cleaning Chelsea team resolves both above and below-ground drainage issues.
Burst pipe, no hot water, or plumbing emergency in Chelsea? Our Gas Safe engineers respond within 60 minutes, 24/7. Fixed-price emergency callout from £115.
Replacing your boiler in Chelsea? We supply and install Worcester Bosch, Vaillant, and Ideal boilers from £2,200. Gas Safe certified. Free survey and fixed-price quote.
Landlord electrical certificate required for your Chelsea rental property? NICEIC-approved electricians provide same-day EICR testing from £240. Digital certificate within 24 hours.
Need a reliable plumber in Chelsea? Gas Safe registered plumbers covering SW3, Knightsbridge, and South Kensington. All plumbing services. Same-day appointments from £95.
Complete home renovation across Chelsea, including bathroom, kitchen, and structural works by our in-house team.
Bathroom Installation Chelsea →
New bathroom installation for properties, adding a bathroom for the first time or converting an existing space.
Book Now → Gas Leak Repair Chelsea
GET YOUR FREE BOILER INSTALLATION QUOTE
Call: 020 7129 7418
- ✅ Gas Safe registered engineers
- ✅ From £2,200 (transparent fixed pricing)
- ✅ Worcester Bosch, Vaillant, Ideal
- ✅ 10-year warranty included
- ✅ Same-day installation is typical
- ✅ Complete certification & compliance
Free home survey within 7 days. Quote provided within 24 hours.
Chelsea Property Renovation & Maintenance Ltd
289 Brompton Road, Knightsbridge, London SW3 2DY
📞 Phone: 020 7129 7418
📧 Email: info@chelseapropertyrenovation.co.uk
🌐 Web: chelseapropertyrenovation.co.uk
Gas Safe Registered • £10M Insured • Family Business Since 2000
What Our Chelsea Clients Say About Our Bathroom Renovation
Read testimonials from satisfied homeowners across Chelsea, Knightsbridge, and Belgravia who trust us with their property renovation and maintenance needs.
⭐⭐⭐⭐⭐ 5/5 Stars
“Chelsea Property Renovation transformed our first-floor bathroom in our Chelsea SW3 Victorian terrace. Three quotes beforehand ranged from £7,200 to £21,000. Chelsea Property Renovation explained exactly why and quoted £14,800 for the complete project, including all fixtures. Completed in ten working days exactly as promised. Gas Safe and NICEIC certified throughout. The bathroom is exceptional. We would not use anyone else for bathroom renovation in Chelsea.”
Harriet Cavendish - Chelsea SW3
Complete Bathroom Renovation - Victorian Terrace
⭐⭐⭐⭐⭐ 5/5 Stars
“En suite renovation in our Knightsbridge period property completed by Chelsea Property Renovation. All trades in-house, no waiting for subcontractors, no coordination problems, no surprises on the invoice. Fixed price quoted and fixed price charged. The team understood the specific requirements of a period property bathroom immediately and handled the original Victorian pipework without drama. Outstanding en suite renovation service across Chelsea and Knightsbridge.”
Oliver Drummond - Knightsbridge SW1X
En Suite Renovation - Period Property
⭐⭐⭐⭐⭐ 5/5 Stars
“Master bathroom renovation on our Grade II listed Belgravia property. Chelsea Property Renovation confirmed that Listed Building Consent was not required for the proposed scope, managed all aspects in-house, and delivered a bathroom that meets the standard of the property. Gas Safe and NICEIC certified throughout. Fixed price honoured exactly. The project manager was the single point of contact throughout, exactly what you need for a renovation of this complexity.”
Sophia Whitmore - Belgravia SW1
Bathroom Renovation - Listed Building
25+ Years Central London Experience
We’ve completed home renovations in Central London since 2000. Over 150 projects across Chelsea, Belgravia, Kensington, Knightsbridge, Marylebone, Bloomsbury, Fitzrovia, and Westminster.
Fully Insured & Guaranteed
£10M public liability insurance, £10M employers' liability insurance, and professional indemnity coverage. All work is fully guaranteed. Building control certificates provided. Electrical and Gas Safe certificates where applicable. Written guarantees on all home renovation services Central London. Insurance certificates available on request.
Quality Materials & Expert Craftsmanship
We specify and source high-quality materials from established manufacturers ensuring reliability and longevity.
Conservation Area Specialists
95% planning approval rate in Central London conservation areas. We've successfully renovated listed buildings and strict conservation properties across Westminster and Kensington & Chelsea. We know what conservation officers want to see before we submit applications.
200+ Satisfied Customers
Proven track record across Central London with hundreds of completed renovations. Our reputation built on exceptional project management, quality workmanship, transparent pricing, and beautiful results that exceed expectations.
Meet Our Trusted Team
John Michaels
Renovation Consultant
Dan Wright
Plumbing and Heating Engineer
Glenn Knowles
CEO
Harry Collins
Repair Technician
Ready to transform your Central London property? Get your fast quote today. Contact Chelsea Property Renovation & Maintenance Ltd
How much does flat roof repair cost in Chelsea?
Flat roof repair in Chelsea costs from £350 for localised membrane repair to £600 and above for more extensive repairs involving decking replacement or multiple flashing details. Emergency flat roof temporary repair from £350. All repairs are quoted as a fixed price following a survey. The price quoted is the price paid. Free flat roof survey available across Chelsea SW3, Knightsbridge, and surrounding areas. Call 020 7129 7418. Chelsea period property.
How much does flat roof replacement cost in Chelsea?
Flat roof replacement in Chelsea costs from £1,200 for a small EPDM rubber installation on a compact outbuilding to £3,000 and above for a larger GRP fibreglass installation on a kitchen extension with multiple penetrations and complex flashings. Decking replacement adds £600 or above, where water damage has compromised the existing structure. Free survey and fixed-price written quotation. Call 020 7129 7418.
What is the best flat roof system for a Chelsea property?
The correct flat roof system depends on the specific conditions of each Chelsea roof orientation, drainage, complexity, and use. EPDM rubber is our recommended system for south-facing Chelsea kitchen extensions best UV resistance and thermal movement tolerance of any flat roof membrane. GRP fibreglass is recommended for roof terraces and complex geometry roofs. Liquid waterproofing is recommended for roofs with multiple penetrations. Modified bitumen felt is appropriate for north-facing outbuildings and garages with minimal UV exposure. We provide an honest system recommendation at the survey stage. Call 020 7129 7418.
How long does a flat roof last in Chelsea?
Correctly specified flat roofs on Chelsea properties should last EPDM rubber: 50 years or more. GRP fibreglass: 30-50 years. Liquid waterproofing: 25-30 years. Modified bitumen felt: 15-25 years. Standard torch-on felt: 10-20 years in appropriate conditions, significantly less on south-facing roofs with challenging drainage. The homeowner on Flood Street’s torch-on felt system lasted 18 months because it was the wrong specification for those conditions. Correct specification produces a correct lifespan. Call 020 7129 7418.
Can you repair a flat roof on a listed building in Chelsea?
Yes. We carry out flat roof repairs and replacements on listed buildings across Chelsea and Belgravia. Listed building flat roof work requires appropriate materials, lead flashings to all wall junctions, appropriate membrane systems, and reversible interventions where the listing conditions require. We assess Listed Building Consent requirements at the survey stage and manage the consent process where required. All listed building flat roof work carried out to conservation officer standards. Call 020 7129 7418.
What causes flat roofs to leak in Chelsea?
The most common causes of flat roof leaks on Chelsea properties are wrong specification for the specific conditions, particularly torch-on felt on south-facing extensions, failed lead flashings at wall junctions, ponding water finding membrane weak points, UV degradation of bitumen membranes on exposed south-facing roofs, poor original installation producing joint failures, and decking deflection creating low points that were not present at installation. Our flat roof survey identifies the cause of every Chelsea flat roof leak before any repair work begins. Call 020 7129 7418.
How do I know if my flat roof needs replacing in Chelsea?
Signs that indicate replacement rather than repair include widespread blistering across the membrane surface, multiple simultaneous failure points in different locations, softening of torch-on felt under hand pressure, membrane shrinkage pulling flashings away from wall junctions, visible water staining on decking visible from inside the building below, and a history of repeated repairs that have not produced lasting results, as experienced by the homeowner on Flood Street. Our free flat roof survey provides an honest assessment of remaining service life. Call 020 7129 7418.
What is EPDM roofing?
EPDM Ethylene Propylene Diene Monomer is a synthetic rubber membrane used for flat roofing. It is installed as a single bonded sheet with no joints across the complete roof area, eliminating the joint failures that cause most flat roof leaks. It has excellent UV resistance, making it the correct specification for south-facing Chelsea extensions. It accommodates thermal movement without cracking. And its service life of 50 years or more makes it the most cost-effective flat roof system for Chelsea properties over a long time horizon. Call 020 7129 7418 for a free survey.
What is GRP fibreglass roofing?
GRP Glass Reinforced Polyester is a composite flat roofing material applied as a liquid and curing to a rigid, seamless fibreglass surface. Unlike membrane systems that sit on the deck surface, GRP forms an integral part of the roof structure. It provides a hard surface suitable for foot traffic, making it the preferred system for Chelsea roof terraces. It can be moulded around complex geometry and penetrations without joints. And it carries a 25-year manufacturer’s warranty as standard. Call 020 7129 7418 for a free survey.
How long does flat roof repair take in Chelsea?
Localised flat roof leak repair typically takes half a day. More extensive repairs involving section replacement take one day. Emergency temporary flat roof repair takes two to four hours. Complete flat roof replacement, including decking where required, takes one to three days, depending on the roof area and system specified. EPDM flat roof replacement requires factory manufacture of the correct membrane size, adding three to five working days between survey and installation for this system. All timelines confirmed in the fixed-price quotation before work begins. Call 020 7129 7418.
Do I need planning permission for flat roof replacement in Chelsea?
Like-for-like flat roof replacement, with the same system in the same location, is generally considered permitted development and does not require planning permission. Changing the flat roof profile, adding rooflights, or altering the drainage configuration may require planning permission. Any flat roof work on a listed Chelsea property may require Listed Building Consent. We assess the planning position at the survey stage and advise clearly before any work begins. Call 020 7129 7418.
How often should a flat roof be inspected in Chelsea?
Annual inspection is recommended for all Chelsea flat roofs, particularly EPDM and GRP systems, where the membrane itself has a long service life but the flashings and drainage outlets require periodic attention. Annual inspection identifies blocked outlets before they create ponding, flashing movement before it creates water ingress, and any membrane movement before it becomes a failure. Our flat roof survey Chelsea from £150 provides the annual inspection with a written report. Call 020 7129 7418.
Central London
Your local team for fast, reliable electrical service throughout Central London.
Address:
289 Brompton Road, Knightsbridge, London, SW3 2DY
Email:
info@chelseapropertyrenovation.co.uk
Phone number:
020 7129 7418
Office Hours:
Monday-Friday 8:30 am-6 pm
Saturday -Sunday - Emergency only
Areas We Serve:
- Belgravia
- Pimlico
- Mayfair
- Marylebone
- Victoria
- Paddington
- Hammersmith & Fulham
- ower Hamlets
- Lambeth
- Plus Hackney
- Chelsea
- South Kensington
- Knightsbridge
- Notting Hill
- Earl's Court
- Camden Town
- Barbican
- Bank
- Liverpool Street
- Moorgate
- King's Cross
- Primrose Hill
- Hampstead
- Kentish Town
- Angel
- Barnsbury
- Canonbury
- Highbury
- Clerkenwell
- Southwark
We Are Accredited
All our tradesmen, plumbers, heating engineers, electricians, and builders are fully accredited by leading industry bodies, ensuring the highest standards of quality and professionalism on every job.
