- Postcode districts
- SN1, SN2, SN3, SN5
- Nearby
- Calne, Cirencester and Carterton
- Guide price
- £4,600–£9,200
- Typical time on site
- 4–8 working days
- Water
- Hard across most of Wiltshire
- Survey
- Free, at your home
What does an en-suite cost in Swindon?
For Swindon, our guide range for an en-suite is £4,600 to £9,200 including VAT. The figure depends on the size of the room, whether anything moves, and the products you pick.
Refit
- Existing en-suite, same layout
Upgrade
- Fitted furniture with storage
New en-suite
- Ventilation and electrics to regulations
Guide prices for Swindon including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Swindon
In Swindon we cover SN1, SN2, SN3 and 1 more postcode districts; we also cover Calne, 12.7 miles away, and Cirencester.
Swindon is a big place with every kind of home, from terraces to flats to new builds, so we never price from a photo alone. We quote new en-suites in Swindon only after checking the drainage route on site, so the price reflects the work your house actually needs. If you live in a Swindon flat, check the lease before planning a new en-suite, as freeholder consent is often needed for new drainage and vents.
Water across much of Wiltshire is hard. If your supply in Swindon is the same, limescale on shower glass and heads is a real issue: easy-clean glass, rub-clean nozzles and a squeegee make a big difference. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- An extractor fan ducted to outside, sized to the room and wired with an overrun timer or humidistat
- A survey that traces the route from the en-suite to the soil stack and checks the fall the waste pipes would need
- A short-projection or wall-hung WC and a compact basin chosen to keep the floor clear
- A shower tray or level-access former, an enclosure or walk-in panel, and a thermostatic valve
Decisions to make first
Shower size
A 900 mm square tray is a comfortable minimum for an enclosure. In a long, narrow room, a 1200 by 800 mm walk-in tray with one glass panel feels far more generous.
Refit or new en-suite
A refit keeps the existing drainage and walls. A new en-suite costs more because the walls, waste route, fan duct and electrics all start from nothing.
Rules that apply in England
In England, a new en-suite brings in Part H for the new connection to the soil stack, Approved Document F for ventilation, at 15 litres per second intermittent or 8 litres per second continuous extract, and Part P for the new circuits. The electrician should be registered with a competent person scheme, or the work notified to building control. On a refit, avoid replacing the fan with a less effective one.

