- Postcode districts
- E4, E10, E11, E17
- Nearby
- Leytonstone, Tottenham and Stamford Hill
- Guide price
- £900–£3,100
- Typical time on site
- 1–2 working days (added to a fit)
- Water
- Very hard across most of Greater London
- Survey
- Free, at your home
What does bathroom underfloor heating cost in Walthamstow?
Our guide price for bathroom underfloor heating in Walthamstow is £900–£3,100 including VAT. We adjust the national guide for London, where prices are typically about 25% above the UK average. The figure depends on the size of the room, whether anything moves, and the products you pick.
Electric mat
- Thermostat and RCD-protected supply
Electric, larger room
- Whole floor coverage
Wet system
- Manifold or single-zone kit
Guide prices for Walthamstow including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Walthamstow
In Walthamstow we cover E4, E10, E11 and 1 more postcode districts; we also cover Leytonstone, 2 miles away, and Tottenham.
London homes in Walthamstow often mean stairs, permits and neighbours below; we plan the logistics as carefully as the bathroom. We check door thresholds in Walthamstow homes at the survey, because underfloor heating and new tiles raise the floor slightly. If your Walthamstow bathroom has a cold tiled floor and no room for a bigger radiator, an electric mat under new tiles is the simplest answer.
Most of Greater London has very 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
- Resistance and insulation tests on the mat before, during and after tiling, with the readings recorded
- The electric mat or cable laid to the open floor, kept clear of where the WC, bath and fixed furniture will sit
- 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
- A floor sensor set between the heating runs and wired back to the thermostat
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.

