A bathroom installation replaces your old suite with new sanitaryware, a bath or shower, tiling and fittings, including the plumbing, electrics, ventilation and waterproofing needed for a complete, watertight room.
Whatever type of house you own in Westminster, we start by looking at how a new bathroom would fit it rather than offering a standard package. We cover SW1, SW1A, SW1E and SW1H and neighbouring places such as Pimlico, Soho and Chelsea. One named person looks after you from survey to handover, and nothing is booked until you hold our figure in writing, fixed for the work described.
- Guide price
- £6,500–£15,500 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- SW1, SW1A, SW1E, SW1H and SW1P
- Planning rules
- England
- Local area
- London
- Survey
- Free, with a written quote
Bathrooms prices in Westminster
Every figure below is a guide for a new bathroom in Westminster, inclusive of VAT. Regional pricing for London works out about 30% above the national guide, and the overall span is £6,500–£15,500. The survey costs you nothing, and after it we commit to a firm price for your specification in writing.
| Type of job | What it usually involves | Guide in Westminster |
|---|---|---|
| Shower room or en-suite | A compact room with a shower, basin and toilet, keeping the existing layout. | £5,200–£10,500 |
| Family bathroom | A full suite with bath and shower, new tiling, lighting and an extractor fan. | £6,500–£15,500 |
| Premium bathroom or wet room | Standalone bath, wet room or walk-in shower, underfloor heating and large-format tiles. | £15,500–£26,000 |
What moves the price up or down:
- Room size and the amount of tiling
- Suite, shower and tap specification
- Wet room waterproofing and underfloor heating
- Condition of the floor, walls and existing pipework
What’s included?
- Measured survey and layout planning for your room
- New supply and waste pipework, including concealed fittings
- Electrics, lighting and extractor fan by qualified trades, with certificates
- Waterproofing behind showers and in wet areas
- Wall and floor tiling to your chosen design
- Bath or shower, basin, toilet and taps fitted and tested
Building in Westminster
London's housing is dominated by Victorian and Edwardian terraces, often in yellow London stock brick, with Georgian terraces in central districts and mansion blocks across many inner areas. Outer boroughs have large belts of interwar semis, and there are extensive post-war council estates. Many houses have been split into flats, and conservation areas are widespread.
Terraces suit side-return extensions and rear dormer loft conversions; interwar semis commonly take hip-to-gable lofts. Shared party walls, restricted parking and conservation rules often shape the plans and the programme.
None of this holds for every street in Westminster, which is why we look at your actual house before pricing a new bathroom rather than assuming from its age alone.
Do you need permission in Westminster?
For anyone in Westminster, the relevant framework is England's. The summary below is general, so we always contact the council about your address before putting a price in writing.
Internal work such as a new kitchen, bathroom, flooring, plastering or decorating does not need planning permission in England, unless the house is listed, when listed building consent may be needed even for internal changes.
Some internal work is covered by Building Regulations: new electrical circuits and work in bathrooms (Part P), new drainage, structural changes, extractor ventilation and any new window. Notifiable work is certified by a registered installer or by building control.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
From survey to handover
A visit to your home
First, someone visits your home in Westminster to see the space, take measurements and note anything that could affect the work, such as access or the condition of what is there. There is no charge for this visit.
Quote in writing
You get the price in writing, itemised so you can see where the money goes. As long as the specification stays the same, that is the price you pay for a new bathroom.
Dates and permissions
Once you accept, we agree start dates, order materials and deal with any planning, building control or neighbour notices the job needs. You'll know who is coming and when before work begins.
Finish and handover
On site, the agreed plan is followed and any change is put in writing first. At completion we do a final clean, go through the snagging list with you and leave you with the relevant documents.
Working with SK Home Improvements
Frequently asked questions
How long does it take to fit a bathroom?
Fitting a typical bathroom takes one to two weeks on site. Strip-out and first-fix plumbing and electrics come first, followed by any plastering or boarding, waterproofing, tiling and then the suite, taps and fittings. Wet rooms and rooms with underfloor heating take longer because screeds and waterproofing need time to cure. We give you a day-by-day plan before work starts.
What happens at the survey?
We visit your home at a time that suits you, look at the area involved, take measurements and check access, condition and any services that might be affected. We talk through what you want from a new bathroom, explain the options and answer questions. There is no charge and no obligation; afterwards we send a written quote.
What ventilation does a bathroom need?
A bathroom needs mechanical ventilation, usually an extractor fan, to remove steam and help prevent condensation and mould. Building regulations set minimum extraction rates for new or refitted bathrooms. A fan linked to the light with an overrun timer, or one with a humidity sensor, works well. Ducting should vent outside by the shortest practical route. We include a suitable fan in every bathroom quote.
Who do I deal with during the job?
One point of contact manages your project from survey to handover. They schedule the trades working under our contract, keep you updated on progress, and are the person to call with any question. You don't need to coordinate builders, electricians or decorators separately, because that is part of what we do.
Which tiles are easiest to keep clean?
Large-format porcelain tiles are usually easiest to keep clean, because there are fewer grout lines to collect dirt and porcelain absorbs very little water. Glossy tiles show water marks more than matt ones, while textured floor tiles give better grip. Grout colour matters too: mid-grey hides staining better than white. We can suggest anti-slip ratings and grout options that suit how you use the room.
Also covering areas around Westminster
Westminster and its SW1, SW1A, SW1E and SW1H postcodes are part of our coverage. Homeowners in Pimlico, Soho and Chelsea can also book a free survey with us and receive a written price for their job.

