Bathroom Renovation Knightsbridge - All Trades In House - Fixed Price Guarantee
✓ Bathroom Renovation Knightsbridge | ✓ Gas Safe Plumbers In House | ✓ NICEIC Electricians In House | ✓ Mansion Block Specialists | ✓ Fixed Price Guarantee | ✓ Free Site Visit
A homeowner on Pont Street called us in April. She had purchased a lateral apartment in a Knightsbridge mansion block converted from a Victorian townhouse in the 1970s. The principal bathroom had not been touched since the conversion. Fifty years of original 1970s bathroom avocado suite, pink ceramic tiles floor to ceiling, a bath the colour of a municipal swimming pool, and a shower rose the size of a dinner plate attached to the wall with what appeared to be optimism and no fixings.
She had obtained two quotes. The first company told her the bathroom could not be renovated without removing the entire concrete floor slab to relocate the drainage. The second company agreed with the first.
She called us.
The two companies were correct that the drainage was in the wrong position for the new layout she wanted. They were wrong to say that the concrete floor slab had to be removed to resolve it. In a Knightsbridge mansion block lateral apartment on the third floor, removing the concrete floor slab is not a renovation decision. It is a structural engineering project requiring management company approval, a structural engineer’s sign-off, and a programme of several months.
What they had not considered was that the drainage could be rerouted above the existing slab using a macerator system to pump waste to the existing soil stack position without touching the concrete floor at all.
The homeowner on Pont Street had been told by two companies that her bathroom renovation was impossible, even though they had not looked hard enough for a solution.
We assessed the bathroom in detail. Existing drainage position mapped. Soil stack location confirmed. Floor slab depth measured. Management company consent requirements reviewed. Our recommendation: a quiet, discreet macerator unit concealed within the vanity furniture, moving waste from the new shower position to the existing soil stack without touching the floor. Management company consent is required only for the new extraction duct. No structural work. No floor slab removal. No structural engineer.
The bathroom was renovated with a completely new walk-in shower in the position the homeowner wanted, a new vanity unit, a new WC, a full tiled floor and walls, new lighting, and new extraction. Completed in nine working days.
The avocado suite is gone. The dinner-plate shower rose has been disposed of with the dignity it deserved.
Professional bathroom renovation across Knightsbridge SW1X, Chelsea SW3, Belgravia SW1, and South Kensington SW7. Gas Safe plumbers, NICEIC electricians, and tilers all in-house. Mansion block and period property specialists. Fixed prices from £8,000. Free site visit.
Benefits:
• Bathroom renovation Knightsbridge mansion block and period property specialists
• Gas Safe plumbers and NICEIC electricians are all in-house
• Concrete floor solutions, macerator and above-slab drainage specialists
• Management company consent management for Knightsbridge mansion blocks
• Fixed price guarantee, no additions during the renovation
• Listed building bathroom renovation Knightsbridge
• En suite, master, family, and small bathroom renovation
• Free site visit and written fixed price quotation
• 12-month workmanship guarantee on all bathroom renovation Knightsbridg
• From £8,000 Complete Renovation
• All Trades In House
• Mansion Block Specialists
• 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 Pont Street had done everything correctly. She had researched bathroom renovation companies, obtained multiple quotes, and briefed each company thoroughly. The brief was clear: remove the existing 1970s bathroom suite entirely, install a new walk-in shower in the corner position she had chosen, a new double vanity unit, a new WC, a full tiled floor and walls, new lighting throughout, new extraction fan.
The first company attended the site visit, inspected the bathroom, and called back the following day with their assessment. The concrete floor slab made the project impossible as specified. The new shower position required a new waste outlet in a location that meant cutting through the concrete floor, dropping a new waste pipe between floors, and connecting to the soil stack below. In a third-floor mansion block apartment, the pipe run between floors would require access from the second-floor apartment below, which meant management company involvement, building access negotiations, and structural assessment. Their advice was to either keep the shower in its existing position or accept a programme of six months and a cost significantly beyond the bathroom renovation budget.
The second company reached the same conclusion by a slightly different route. The existing soil stack was on the opposite wall from the new shower position. Routing the waste pipe above floor level — running it along the wall surface would have required the pipe to travel along three walls of the bathroom before reaching the stack, creating a visible pipe run that no amount of boxing could fully conceal in a bathroom of that size. Their conclusion was the same as the first company’s: the project as specified was not achievable without significant structural intervention.
Both companies were responding to the most obvious solution and finding it blocked. Neither had considered the full range of solutions available.
Macerator technology has been standard in bathroom renovation for decades, but it is not the first solution most bathroom renovation companies reach for, because in a Victorian terrace with a suspended timber floor, the conventional gravity drainage approach almost always works. In a Knightsbridge mansion block with a concrete floor slab, it is frequently the correct solution and the one that makes a bathroom renovation possible, where conventional drainage would require structural intervention.
A macerator is a compact pump unit typically concealed within or immediately behind the WC unit or within the vanity furniture that receives waste from the shower, WC, and basin, macerates it to a fine slurry, and pumps it under pressure through a narrow bore pipe to the existing soil stack. The pressure capability of the pump means the pipe does not need to follow a gravity fall; it can run horizontally, vertically, or around corners to reach the stack from any position in the bathroom. The pipe diameter is 22mm rather than the 110mm of a conventional soil pipe, meaning it can be concealed within standard stud partitioning or within vanity furniture without creating a visible pipe run.
For the Pont Street bathroom, the macerator solution meant the new shower could be installed in exactly the position the homeowner had chosen. The waste pipe ran from the macerator unit through the vanity unit, along the wall void behind the new tiling, and connected to the existing soil stack on the opposite wall, entirely concealed, entirely within the bathroom, with no penetration of the floor slab and no involvement of the apartment below.
Management company consent was required only for the new extraction fan duct, a standard application that was approved without complication. No structural engineer. No access to the second-floor apartment. No six-month programme.
The lesson of the Pont Street bathroom is not that macerators are always the answer. It is that the Knightsbridge mansion block bathroom renovation requires a different knowledge base from Victorian terrace renovation, and that the company doing the work needs to have that knowledge base before they attend the site visit, not discover its absence when they encounter the first constraint.
Concrete floors. The solid concrete floor slabs of the Knightsbridge mansion blocks cannot be cut without the management company’s consent and a structural assessment. Any bathroom renovation that requires new drainage penetrating the floor slab needs to be planned around this constraint from the outset, either by designing a layout that uses existing drainage positions or by specifying an above-slab drainage solution such as a macerator or a shower tray with a raised floor platform concealing a conventional waste trap connected to an above-slab pipe run.
Shared soil stacks. Mansion block soil stacks are shared between apartments and owned by the building, not by the individual leaseholder. Connecting new drainage to the shared stack requires management company notification and, in some cases, formal consent. Our team manages this process as part of every Knightsbridge bathroom renovation, identifying the consent requirement, preparing the notification, and obtaining approval before any plumbing work begins.
Management company requirements. Every Knightsbridge mansion block has a management company with its own rules about working hours, waste removal, access for deliveries, and notification requirements for renovation work. Our project managers know the standard management company requirements across Knightsbridge mansion blocks and manage compliance as part of the renovation programme, so the homeowner does not have to navigate a process they have not encountered before.
Noise restrictions. Knightsbridge mansion blocks typically restrict noisy work to weekday daytime hours, usually 8 am to 6 pm, Monday to Friday. Our bathroom renovation Knightsbridge programmes are designed around these restrictions from the outset, so the programme is realistic rather than based on access hours that the management company will not permit.
The Pont Street bathroom renovation programme was nine working days from strip out to handover. Day one and two strip out the existing 1970s suite, tiles, floor covering, and all fittings. Day three: macerator installation and all pipework connections, extraction ducting, and first fix electrics. Day four: waterproofing of the shower area and wall preparation. Days five, six, and seven: full retile floor and walls. Day eight: second fix plumbing and electrics, vanity unit installation, WC installation, all fixtures. Day nine: snagging, silicone, final clean, and handover.
Nine days. No structural work. No management company complications beyond the extraction consent. No floor slab removal. No second-floor access. No six-month programme.
The homeowner on Pont Street now has a bathroom that reflects the standard of her Knightsbridge apartment and no longer has to explain the avocado suite to visitors.
Complete bathroom renovation across Knightsbridge SW1X 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. Mansion block constraints were assessed and resolved at the site visit stage.
Our complete bathroom renovation Knightsbridge service is led by our knowledge of the specific property types across SW1X mansion blocks, lateral apartments, Victorian townhouses in conversion, and the mews properties behind the principal streets. Each property type presents specific constraints, and each constraint has a specific solution. The free site visit for every bathroom renovation Knightsbridge quotation is not a formality; it is the assessment that determines the correct approach for each specific property before a price is quoted.
En-suite bathroom renovation across Knightsbridge SW1X from compact secondary en-suites in Victorian townhouse bedrooms to full-sized master en-suites in lateral mansion block apartments. En suite renovation in Knightsbridge properties presents specific challenges, including tight access in converted Victorian townhouses, restricted plumbing routes in concrete-framed apartments, and management company requirements that affect the programme in mansion blocks.
Our en suite renovation Knightsbridge service applies the same all-trades-in-house approach and the same mansion block knowledge as our complete bathroom renovation, with Gas Safe plumbing, NICEIC electrics, waterproofing, and tiling all by our team. We assess the drainage and ventilation constraints specific to each Knightsbridge property at the site visit stage and resolve them before the quotation is prepared.
Master bathroom renovation for Knightsbridge properties, where the principal bathroom is the statement room, the specification that a Knightsbridge address demands, and the resale market expects. Master bathroom renovation in Knightsbridge lateral apartments and townhouses typically involves larger floor areas, higher-specification sanitaryware, bespoke vanity furniture, and tile specifications that reflect the quality of the property.
Our master bathroom renovation Knightsbridge service includes specification advice appropriate for the property type and market position, recommending sanitaryware, tile formats, and fixture finishes that are correct for a Knightsbridge property without being either generic or unnecessarily extravagant. The difference between a bathroom that adds value to a Knightsbridge property and one that simply costs a lot of money is in the specification decisions, and those decisions are what our site visit and design consultation are designed to get right.
Specialist mansion block bathroom renovation across Knightsbridge SW1X, addressing the specific constraints of concrete-framed construction, shared soil stacks, management company requirements, and noise restrictions that define bathroom renovation in Knightsbridge’s principal apartment buildings.
Our mansion block bathroom renovation Knightsbridge service includes pre-renovation assessment of all management company requirements, consent applications where required, above-slab drainage solutions where concrete floor penetration is not possible, and programme management within the noise and access restrictions that apply to each specific building. We have completed bathroom renovations in Knightsbridge mansion blocks across Hans Crescent, Pont Street, Lennox Gardens, Cadogan Place, and Beauchamp Place, and the knowledge accumulated across these projects is what allows us to resolve constraints that other companies find prohibitive.
Listed building bathroom renovation in Knightsbridge, handling the specific requirements of Grade I, Grade II*, and Grade II listed properties, where bathroom renovation must respect the listing conditions. Knightsbridge has a significant concentration of listed buildings, Georgian and early Victorian properties on the principal streets that carry listing conditions affecting both internal and external works.
Most bathroom renovation work in Knightsbridge listed buildings proceeds without Listed Building Consent, where the work is confined to the bathroom and does not affect original features or the character of the listed building. We assess the consent position at every listed building bathroom renovation Knightsbridge site visit, and advise before any quotation is prepared. Where consent is required, we manage the application with the Royal Borough of Kensington and Chelsea.
Wetroom installation across Knightsbridge properties with specific expertise in the above-slab wetroom solutions required by mansion block concrete floors. Conventional wetroom installation requires a linear or point drain recessed into the floor, which, in a concrete-framed mansion block apartment, requires floor slab penetration and management company consent. Our wetroom installation Knightsbridge service includes raised floor platform wetroom solutions, building a shallow platform above the existing floor slab, installing the drain and waste within the platform, and tiling the platform and walls to create a seamless wetroom aesthetic without touching the structural floor.
Small bathroom renovation for Knightsbridge properties where space is constrained, secondary bathrooms in lateral apartments, compact en-suites in converted Victorian townhouses, and cloakroom conversions. Small bathroom renovation in Knightsbridge requires specific design knowledge combined with the mansion block technical expertise to deliver a well-specified result in a constrained space with constrained drainage options.
Bathroom refurbishment for Knightsbridge properties where the layout and major sanitaryware are retained, and the focus is on refreshing the finish, retiling, new taps and accessories, updated lighting, and improved storage. Bathroom refurbishment Knightsbridge is the correct scope for properties where the existing bathroom functions correctly, but the specification no longer meets the standard expected at the Knightsbridge market level.
Bathroom Renovation Costs Knightsbridge
A small bathroom renovation in Knightsbridge, floor area up to approximately 4 square metres, walk-in shower replacing the existing bath, full retiling, new vanity unit and basin, new WC, and standard to mid-range specification: typically £6,000 to £9,000 for the complete project including all trades and fixtures. In Knightsbridge mansion blocks where an above-slab drainage solution is required, the cost typically sits at the upper end of this range. The macerator unit and above-slab pipework add approximately £800 to £1,200 to the plumbing cost compared with a conventional gravity drainage installation.
A standard bathroom renovation in Knightsbridge, floor area 5 to 8 square metres, complete new layout or retained layout, walk-in shower, full retiling, new vanity furniture, new sanitaryware throughout, and mid to upper range fixture specification: typically £9,000 to £18,000 for the complete project. Knightsbridge bathroom renovation typically sits at the upper end of the equivalent Chelsea range, reflecting both the higher specification appropriate for SW1X and the additional complexity that mansion block and lateral apartment construction frequently introduces.
An en suite bathroom renovation in Knightsbridge, floor area 2 to 5 square metres, walk-in shower, vanity unit, basin, WC, and standard to mid-range specification: typically £6,000 to £12,000. En suite renovation in Knightsbridge lateral apartments is influenced significantly by the drainage solution required, conventional gravity drainage where the existing waste positions are compatible with the new layout, or above-slab solutions where they are not.
A master bathroom renovation in Knightsbridge, floor area 8 square metres and above, full walk-in shower, freestanding bath, double vanity, and higher specification sanitaryware appropriate for a Knightsbridge property: typically £15,000 to £40,000. The upper end of this range reflects bespoke vanity furniture, natural stone tile specification, and the highest-tier sanitaryware brands specification that is appropriate and increasingly expected at the Knightsbridge market level.
The four factors that most significantly affect bathroom renovation cost in Knightsbridge are the drainage solution required above-slab drainage solutions add cost compared with conventional gravity drainage but are frequently necessary in mansion block apartments the tile specification natural stone and large format tiles in a Knightsbridge bathroom increase both materials and installation cost significantly the sanitaryware specification the range from mid-range to bespoke is wide and the difference matters at the Knightsbridge market level and the management company consent process where applicable.
Bathroom Renovation in Knightsbridge Properties
Knightsbridge mansion blocks the large, ornate apartment buildings that line Hans Crescent, Pont Street, Lennox Gardens, and the surrounding streets, which are the dominant property type for bathroom renovation enquiries we receive from SW1X. Built predominantly between 1880 and 1930, these buildings were converted from grand Victorian and Edwardian townhouses or purpose-built as prestige apartment blocks serving the Knightsbridge and Belgravia market.
The bathroom renovation constraints in the Knightsbridge mansion blocks are consistent across the building stock. Concrete floor slabs poured during conversion or original construction cannot be penetrated without the management company’s consent and a structural assessment. Shared soil stacks serving multiple apartments through the building require notification and consent for new connections. Management company rules govern working hours, waste removal, and the extent of work that can be carried out without formal approval. And the building fabric, concrete frame, solid walls, and limited void spaces restrict the routing options for new drainage and ventilation in ways that Victorian terrace construction does not.
Our bathroom renovation Knightsbridge team works in these buildings regularly, understanding which constraints require management company involvement, which can be resolved through technical solutions like macerators and raised floor platforms, and which genuinely require structural assessment before a bathroom renovation can proceed.
Lateral apartments, large apartments occupying a single floor of a Knightsbridge mansion block, typically created through the combination of two or more original apartment units, present specific bathroom renovation challenges related to the distance between the bathroom location and the building’s soil stack infrastructure.
In a lateral apartment, the bathroom may be positioned at the furthest point from the building’s soil stack, creating long horizontal drainage runs that exceed the fall gradient available on a gravity drainage system. This is one of the most common drivers of the “bathroom renovation is impossible” assessment that other companies deliver to Knightsbridge lateral apartment owners. In reality, it is one of the problems that macerator technology solves most elegantly. The pump capability of a macerator system is not constrained by fall gradient, meaning it can push waste horizontally across a large lateral apartment to reach the soil stack regardless of the distance.
Knightsbridge retains several original Victorian townhouses, tall, narrow terraced properties on the streets between the principal mansion block avenues. Victorian townhouse bathroom renovation in Knightsbridge combines the period property expertise of our Chelsea Victorian terrace renovation work with the specific Knightsbridge planning and conservation area requirements of SW1X.
Victorian townhouses in Knightsbridge are frequently listed within the Knightsbridge Conservation Area, meaning external works associated with bathroom renovation, such as extraction vents on principal elevations, require planning consideration. Our bathroom renovation Knightsbridge team assesses the planning position for all external works at the site visit stage.
Listed buildings in Knightsbridge carry specific consent requirements that unlisted properties do not. The Royal Borough of Kensington and Chelsea’s conservation team takes an active interest in works to listed buildings in Knightsbridge, and the assessment of what requires Listed Building Consent versus what can proceed as permitted development requires knowledge of the specific listing conditions for each property, rather than a generic rule.
Our bathroom renovation Knightsbridge service includes a listed building consent assessment as a standard element of the site visit, so the homeowner knows exactly what consent is required before any quotation is accepted and any work begins.
Knightsbridge mews properties, the converted former stable buildings behind the principal streets, present a different set of bathroom renovation characteristics from mansion blocks and townhouses. Mews properties are typically two storeys, narrow in plan, and with ground floors that were originally cobbled stable yards, subsequently concreted over. Bathroom renovation in a Knightsbridge mews property frequently involves the same above-slab drainage considerations as mansion block renovation, with the additional characteristic of very low floor-to-ceiling heights on both floors that limit the depth of any raised floor platform solution.
Our bathroom renovation Knightsbridge team has experience in mews property renovation across the streets behind Hans Crescent and Brompton Road and understands the specific constraints of mews construction well enough to advise on what is achievable before a site visit rather than discovering limitations during the quotation process.
Why Choose Our Bathroom Renovation Knightsbridge Service
Gas Safe plumbers. NICEIC electricians. Tilers. All employed directly by Chelsea Property Renovation & Maintenance Ltd. No subcontractors are used on any Knightsbridge bathroom renovation we carry out. One team. One fixed price. One point of contact. No coordination between separate companies whose schedules we cannot control.
We understand the specific constraints of the Knightsbridge mansion block bathroom renovation, concrete floors, shared soil stacks, management company requirements, and noise restrictions because we work in these buildings regularly. The macerator solution on Pont Street was not a one-off improvisation. It is a standard part of our Knightsbridge bathroom renovation toolkit, applied whenever conventional gravity drainage is not appropriate for the specific building constraints.
All plumbing work by Gas Safe-registered engineers. Bathroom renovation in Knightsbridge properties frequently involves proximity to gas supplies and, in some cases, connection to gas-fired towel radiators. Our Gas Safe registration covers all gas-related work within the bathroom renovation scope. Gas Safe registration number available on request and verifiable at gassaferegister.co.uk.
All electrical work by NICEIC-approved electricians. Bathroom electrical installation notified under Part P of the Building Regulations by our own team; no separate Building Control application required. NICEIC certificate issued at handover confirming the electrical installation is safe, compliant, and correctly notified.
The price on our bathroom renovation quotation is the price on our invoice. If we identify something during strip out that was not apparent at the site visit, unusual pipework, unexpected concrete configuration, or a management company consent requirement that was not known at the time of quoting, we stop, discuss it with the homeowner, and agree on any change to the price before proceeding. No unexpected invoices at completion.
Every bathroom renovation Knightsbridge quotation begins with a free site visit, including assessment of the drainage constraints specific to the property type, management company consent requirements where applicable, and the specification discussion required to produce an accurate fixed price. The site visit takes 30 to 60 minutes. The written quotation is issued within 48 hours.
One project manager. All questions. All updates. All decisions. You do not coordinate between a Gas Safe plumber, an NICEIC electrician, and a tiler; we do. Your project manager is on site every day the bathroom renovation is active and available by phone throughout.
All bathroom renovation Knightsbridge work is guaranteed for 12 months from completion. Gas Safe certification issued. NICEIC Part P certification issued. Sanitaryware manufacturer warranties are provided at handover. All documentation required for building insurance, lease compliance, or resale is provided on the day the bathroom is handed over.
Our Bathroom Renovation Process, Knightsbridge
The project manager attends your Knightsbridge property. Existing bathroom inspected. Drainage constraints assessed the concrete floor configuration, soil stack position, and management company requirements were reviewed. New layout discussed. Specification agreed in outline. No charge. No obligation. Call 020 7129 7418.
Consent applications are prepared and submitted where the proposed renovation requires management company approval, typically for external extraction ducting or any works affecting shared building fabric. Consent obtained before any work programme is confirmed.
Written fixed price quotation issued within 48 hours of site visit covering every element, including drainage solution, all trades, all fixtures, and the 12-month guarantee.
Tile specification, sanitaryware, and all fixture choices confirmed. All products ordered before the start date.
Complete removal of existing bathroom. All waste was removed from the property in compliance with the management company’s requirements. Existing drainage and structural configuration confirmed in stripped-out condition.
Drainage solution installed, macerator system or conventional drainage as assessed and agreed at site visit. Gas Safe plumbers complete all pipework. NICEIC electricians complete all first-fix wiring. Extraction ducting installed.
Shower area and all wet zones tanked to the appropriate specification. Substrate prepared for tiling.
Wall and floor tiling completed. Grouting and silicone are applied after all tiles are set.
All sanitaryware connected. All electrical fittings installed. Vanity furniture fitted. All accessories installed.
Complete inspection and snagging. Bathroom cleaned. 12-month guarantee issued. NICEIC certificate issued. Gas Safe completion notice, where applicable. All manufacturer warranties provided. Call 020 7129 7418 to begin.
Areas We Cover
Our primary Knightsbridge coverage includes Hans Crescent, Pont Street, Lennox Gardens, Beauchamp Place, Hans Road, Cadogan Place, Walton Street, Egerton Gardens, and all SW1X addresses. Mansion block specialists. Free site visit. Call 020 7129 7418.
Complete bathroom renovation across Chelsea, SW3, our home postcode. Victorian terrace specialists. All trades in-house. Fixed price. See our dedicated Bathroom Renovation Chelsea page. Call 020 7129 7418.
Bathroom renovation across Belgravia SW1, Eaton Square, Chester Square, Elizabeth Street, Belgrave Square. Listed building specialists. All trades in-house. Fixed price. Call 020 7129 7418.
Bathroom renovation across South Kensington SW7. Victorian and Edwardian period property specialists. All trades in-house. Fixed price. Free site visit. Call 020 7129 7418.
Bathroom renovation extending to Kensington W8. All bathroom renovation services with the same fixed prices and an all-trades-in-house approach. Free site visit. Call 020 7129 7418.
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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
“En suite renovation in our Knightsbridge Victorian townhouse managed by Chelsea Property Renovation. Period property pipework handled without drama. All trades in-house, no subcontractors, no coordination problems. Fixed price quoted and fixed price charged with no additions. Management company notification handled by their team. Gas Safe and NICEIC certified throughout. The result is an exceptional bathroom that reflects the standard of the property and the Knightsbridge location.”
Frederick Montague - Knightsbridge SW1X
En-Suite Renovation - Victorian Townhouse Period Property
⭐⭐⭐⭐⭐ 5/5 Stars
“Master bathroom renovation in our Grade II listed Knightsbridge property managed entirely by Chelsea Property Renovation. Listed Building Consent confirmed not required for our scope. All trades in-house. Fixed price honoured exactly. The project manager was our single point of contact throughout every question answered, every update provided, and never a problem that was not resolved the same day. The bathroom is exceptional. Bathroom renovation Knightsbridge at its best.”
Isabella Hartley - Knightsbridge SW1X
Master Bathroom Renovation - Listed Building Conversion
⭐⭐⭐⭐⭐ 5/5 Stars
“Chelsea Property Renovation transformed our principal bathroom in our Knightsbridge lateral apartment, solving the drainage constraint that two previous companies said made the renovation impossible. Macerator solution installed with no floor penetration and no management company structural consent required. All trades in-house. Fixed price quoted and fixed price charged. Completed in nine working days. Outstanding bathroom renovation service in Knightsbridge. We would not use anyone else.”
Victoria Ashworth - Knightsbridge SW1X
Complete Bathroom Renovation - Mansion Block Lateral Apartment
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 a bathroom renovation cost in Knightsbridge?
Bathroom renovation in Knightsbridge costs from £6,000 for a small bathroom renovation to £40,000 and above for a large master bathroom with high-specification fixtures. A standard complete bathroom renovation typically costs between £9,000 and £18,000. Mansion block properties where above-slab drainage solutions are required typically sit at the upper end of each range. Free site visit and fixed-price written quotation. Call 020 7129 7418.
How long does a bathroom renovation take in Knightsbridge?
A standard bathroom renovation in Knightsbridge takes eight to fourteen working days from strip out to handover. Mansion block bathroom renovations, where management company consent is required, add two to four weeks to the pre-start programme. The renovation itself proceeds at the same speed once consent is in hand. All timelines confirmed in the fixed price quotation before work begins. Call 020 7129 7418.
Do you need management company consent for bathroom renovation in Knightsbridge?
It depends on the specific renovation scope and the building’s management company requirements. Most bathroom renovation work, internal strip out, retiling, and new sanitaryware, does not require management company consent. External extraction ducting, penetrations of concrete floor slabs, and connections to shared soil stacks typically do require notification or consent. We assess the consent position at the site visit stage and manage all applications. Call 020 7129 7418.
Can you renovate a bathroom in a Knightsbridge mansion block with a concrete floor?
Yes. We specialise in mansion block bathroom renovation in Knightsbridge, including the drainage solutions required when concrete floors cannot be penetrated. Macerator systems and raised floor platform wetrooms are both available solutions, depending on the specific bathroom layout and the homeowner’s specification preference. The Pont Street bathroom was completed using a macerator solution with no floor penetration. Call 020 7129 7418.
What is included in your bathroom renovation Knightsbridge quote?
Our bathroom renovation Knightsbridge fixed price includes everything: management company consent applications where required, drainage solution including macerator where applicable, Gas Safe plumbing, NICEIC electrics, waterproofing, tiling, all fixtures at the agreed specification, second fix, snagging, and the 12-month guarantee. The price on the quote is the price on the invoice. Call 020 7129 7418.
Do you use subcontractors for bathroom renovation in Knightsbridge?
No. All trades on every Knightsbridge bathroom renovation are our direct employees, Gas Safe plumbers, NICEIC electricians, and tilers employed by Chelsea Property Renovation & Maintenance Ltd. No subcontractors. No scheduling delays. No coordination between separate companies. One team. One fixed price. Call 020 7129 7418.
Can you renovate a bathroom in a Knightsbridge listed building?
Yes. We regularly carry out bathroom renovations in listed buildings across Knightsbridge and Belgravia. We assess the Listed Building Consent position at the site visit stage and advise before any quotation is prepared. Where consent is required, we manage the application with the Royal Borough of Kensington and Chelsea. Call 020 7129 7418.
What is a macerator, and when is it used in a Knightsbridge bathroom renovation?
A macerator is a pump unit that receives waste from the shower, WC, and basin, and pumps it under pressure through a small-bore pipe to the soil stack without requiring gravity fall or floor penetration. It is used in the Knightsbridge mansion block bathroom renovation when the new layout requires drainage in a position that cannot be reached by conventional gravity drainage without penetrating the concrete floor slab. Call 020 7129 7418.
Do I need planning permission for a bathroom renovation in Knightsbridge?
Internal bathroom renovation does not require planning permission. External works extraction vents on principal elevations may require consent in the Knightsbridge Conservation Area. Listed building renovation may require Listed Building Consent. We advise on all consent requirements at the site visit stage. Call 020 7129 7418.
How do I choose a bathroom renovation company in Knightsbridge?
The key questions when choosing a bathroom renovation company in Knightsbridge are: do they have specific experience in mansion block and lateral apartment renovation, do they have Gas Safe and NICEIC certification in-house, and is their price genuinely fixed? A company without mansion block experience will not know the drainage solutions available when concrete floors cannot be penetrated, as the Pont Street homeowner discovered from two previous companies. Call 020 7129 7418.
What bathroom specification is appropriate for a Knightsbridge property?
Knightsbridge properties sit at the premium end of the London residential market, and the bathroom specification should reflect that. We recommend sanitaryware with genuine quality and longevity brands such as Duravit, Villeroy and Boch, and Laufen at the mid to upper range, and bespoke options for master bathrooms in the most significant properties. Tile specification in natural stone or high-quality, large-format porcelain. Brushed brass, matt black, or polished chrome finishes, depending on the overall interior direction. We advise on specifications at the design consultation stage. Call 020 7129 7418.
Is your bathroom renovation work guaranteed?
Yes. All bathroom renovation Knightsbridge work is guaranteed for 12 months from completion. NICEIC certificate issued for all electrical work. Gas Safe completion notice issued for all gas-related work. Sanitaryware manufacturer warranties are provided at handover. All documentation required for building insurance, lease compliance, or resale is available on handover day. 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.
