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.
If you live in Sunbury-on-Thames and are weighing up a new bathroom, the starting point is a visit to measure up and talk through what you want, which costs nothing. We cover homes across KT8, KT12, TW12 and TW15, and a typical project of this kind in the South East lands somewhere in the £5,600–£13,500 bracket, including VAT. The exact figure depends on size, access and the finish you choose.
- Guide price
- £5,600–£13,500 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- KT8, KT12, TW12, TW15 and TW16
- Planning rules
- England
- Local area
- Surrey
- Survey
- Free, with a written quote
Bathrooms prices in Sunbury-on-Thames
To help you plan, we show what a new bathroom typically costs in Sunbury-on-Thames instead of holding figures back for a sales call. The range is £5,600–£13,500 with VAT, using rates in the South East that are about 12% above the national guide. A free survey then fixes your actual price.
| Type of job | What it usually involves | Guide in Sunbury-on-Thames |
|---|---|---|
| Shower room or en-suite | A compact room with a shower, basin and toilet, keeping the existing layout. | £4,500–£9,000 |
| Family bathroom | A full suite with bath and shower, new tiling, lighting and an extractor fan. | £5,600–£13,500 |
| Premium bathroom or wet room | Standalone bath, wet room or walk-in shower, underfloor heating and large-format tiles. | £13,500–£22,500 |
Your price depends mostly on:
- Room size and the amount of tiling
- Suite, shower and tap specification
- Moving the toilet, bath or shower to a new position
- Wet room waterproofing and underfloor heating
What do you get?
- Measured survey and layout planning for your room
- Removal and disposal of the old suite and tiles
- 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
What are homes like around Sunbury-on-Thames?
Surrey has many Victorian and Edwardian villas, interwar semis in the commuter towns near London, and Arts and Crafts houses with tile-hanging and tall chimneys. Bargate stone appears around Godalming, and large detached homes are common in Guildford, Woking, Weybridge and the Surrey Hills villages.
Larger homes often take kitchen extensions, bifold doors, landscaping and driveway renewal. Interwar semis suit loft and side extensions, while tile-hung and period properties may need roof and hanging-tile repairs.
Building traditions across Surrey also raise conservation and planning questions, so we check those for a new bathroom in Sunbury-on-Thames at the survey stage.
Planning and building rules in Sunbury-on-Thames
Sunbury-on-Thames is in England, so the planning and building rules set out below are the ones that apply. We confirm the details with the council before we quote.
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
Survey and measure
Book a visit and we'll come to you. The survey covers measurements, the state of what's there now and any obvious constraints, so the price that follows is based on your actual home, not an average.
Price and scope agreed
The quote arrives in writing, not over the phone. It covers the full scope, the finishes you've chosen, any exclusions and the payment schedule, with a fixed price tied to that specification.
Plan and prepare
With the quote agreed, we book the work in and handle preparation: permissions where needed, building control notifications, material orders and access arrangements for your Sunbury-on-Thames property.
Finish and handover
The job proceeds in the order set out in the programme, with dust and debris kept under control. Finally we tidy away, inspect the work together and pass the finished project over to you with its paperwork.
Working with SK Home Improvements
Common questions
How much will a new bathroom cost in Sunbury-on-Thames?
As a guide, expect to pay £5,600–£13,500 including VAT for a new bathroom in Sunbury-on-Thames. That range is adjusted for the South East, which runs about 12% above the national guide. Where your project lands depends on size, materials, access and the condition of what is already there. We confirm a fixed price in writing after a free survey of your home.
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.
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.
Can I move the toilet to a different position?
Moving a toilet is usually possible, but it is limited by the soil pipe, which needs a large-diameter pipe with a steady fall to the soil stack. Short moves along the same wall are often simple, while moving it across the room may mean lifting floors or boxing in pipework. A macerator pump is an option where gravity will not work. We check the stack position during the survey.
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.
Near Sunbury-on-Thames
Our coverage in Sunbury-on-Thames includes KT8, KT12, TW12 and TW15. We also travel to Walton-on-Thames, West Molesey and Hampton, so neighbouring addresses are looked after on exactly the same terms as those in town.

