- Postcode districts
- SL9, UB9
- Nearby
- Chalfont St Peter, Uxbridge and Rickmansworth
- Guide price
- £800–£2,800
- Typical time on site
- 1–2 working days (added to a fit)
- Water
- Hard across most of Buckinghamshire
- Survey
- Free, at your home
What does bathroom underfloor heating cost in Gerrards Cross?
Our guide price for bathroom underfloor heating in Gerrards Cross is £800–£2,800 including VAT. Labour costs in South East England put local prices at about 12% above the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.
Electric mat
- Insulation board
Electric, larger room
- Electrician sign-off
Wet system
- Pipes linked to the heating
Guide prices for Gerrards Cross including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Gerrards Cross
We work right across Gerrards Cross — SL9 and UB9 — and in neighbouring Chalfont St Peter and Uxbridge.
Being a smaller town does not change how we work in Gerrards Cross: free survey, written quote, one team. For Gerrards Cross homes having the bathroom floor replaced, underfloor heating adds one to two days to the fit. Whether your Gerrards Cross bathroom is a small en-suite or a large main bathroom, the mat is sized to the open floor, not the whole room.
Most of Buckinghamshire has hard water. Hard water leaves white marks on dark grout and gloss tiles, so matt finishes and stain-resistant grout are the practical choice. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- Bringing the system up to temperature gradually once the adhesive and grout have cured
- A dial, programmable or smart thermostat, with the supply RCD protected, tested and certified by a qualified electrician
- Insulation boards over the subfloor, so heat goes up into the tiles rather than down into the joists or screed
- For wet systems, pipes in low-profile boards or screed connected to a manifold or single-zone kit, with any boiler work done by a Gas Safe registered engineer
Decisions to make first
Floor finish
Tiles and stone pass heat through well. LVT and vinyl can work, but check the maximum floor temperature the flooring maker allows.
Floor heating and towel rail
Underfloor heating warms the room; a towel rail dries towels. Many bathrooms have both, and a dual-fuel rail keeps working in summer when the boiler is off.
Rules that apply in England
In England, a new circuit for underfloor heating is notifiable under Part P, and so is connecting it to an existing circuit in a room with a bath or shower. The electrician either self-certifies through a competent person scheme or the work is notified to building control.

