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Install electric UFH.
Electric underfloor heating mat under tile or LVT — warms cold bathrooms and kitchens in winter.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Top tips
Hiring a flooring, without the regret.
Four moves that separate a smooth job from a nightmare.
Mat damaged during tiling
Trowel scrapes the mat wires. Self-level over the mat first or use a flexible adhesive over thin protective screed.
Probe missing or wrong position
Without the floor probe, the thermostat reads air temperature only — gives erratic heating.
Wrong output for room
150W mat under a stone floor in a kitchen barely warms. 200W or 250W needed for high-thermal-mass floors.
Carpet over electric UFH
Many carpet underlays insulate the heat. Specify low-Tog underlay only.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Mat 150W per m²Standard bathroom output
£25–£50/m²
Mat 200W per m²Kitchen or sunroom output
£30–£60/m²
Premium brand mat (Warmup, ProWarm)Per m²
£40–£80/m²
Thermostat (basic)Manual or simple programmable
£50–£120
Smart thermostat (Heatmiser, Nest)App-controlled
£120–£300
Install labour per m²Plus electrician
£15–£30/m²
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Flooring explained
Electric underfloor heating mats are the easiest way to add UFH to a bathroom or kitchen — thin (3–5mm) heating elements laid under the tile, vinyl or laminate. Expect to pay £40–£90 per m² fitted in the UK including thermostat and controls.
What Does the Work Involve?
The mat (typically 150W or 200W per m² — bathroom or higher-output kitchen) is laid out over a primed subfloor. The cold tail is fed back to the thermostat location (usually adjacent wall). Probe is taped between the heating wires to feed back floor temperature to the thermostat. Self-levelling compound is poured over the mat to encase the wires (recommended for tile finish). The thermostat is wired by an electrician with Part P certification.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Mat 150W per m² | 25 | 50 | Standard bathroom output |
| Mat 200W per m² | 30 | 60 | Kitchen or sunroom output |
| Premium brand mat (Warmup, ProWarm) | 40 | 80 | Per m² |
| Thermostat (basic) | 50 | 120 | Manual or simple programmable |
| Smart thermostat (Heatmiser, Nest) | 120 | 300 | App-controlled |
| Install labour per m² | 15 | 30 | Plus electrician |
| Electrical wiring & Part P | 180 | 500 | Per circuit |
How Long Does It Take?
Bathroom 5 m² mat install: half a day for mat, half a day for electrical. Plus subfloor prep if needed.
DIY or Professional?
Mat laying is DIY-able. The electrical connection MUST be by a Part P registered electrician — non-compliant connection voids the manufacturer warranty and home insurance.
Choosing the Right Tradesperson
The tiler or flooring fitter normally lays the mat. The electrician wires the thermostat. Many flooring contractors have a pet electrician for joint jobs. Brands: Warmup, ProWarm, Heatmiser, Devi.
UK Regulations
Building Regs Part P — electrical work in bathrooms requires Part P certification. BS 7671 wiring regulations apply. Smart thermostats need their own Wi-Fi/wired connection.
Common Problems
- Mat damaged during tiling: Trowel scrapes the mat wires. Self-level over the mat first or use a flexible adhesive over thin protective screed.
- Probe missing or wrong position: Without the floor probe, the thermostat reads air temperature only — gives erratic heating.
- Wrong output for room: 150W mat under a stone floor in a kitchen barely warms. 200W or 250W needed for high-thermal-mass floors.
- Carpet over electric UFH: Many carpet underlays insulate the heat. Specify low-Tog underlay only.
Frequently Asked Questions
Electric or wet UFH?
Electric: faster install, cheaper for small areas (bathrooms 5–8 m²), can be retrofit. Wet: cheaper to run long-term, better for larger areas and whole-house. Electric is the bathroom-and-kitchen go-to.
How thick is the mat?
3–5mm including the heating element. Adds minimal height to the existing floor.
Can I install electric UFH under wood?
Yes — under engineered wood with low-Tog underlay. Surface temperature must stay under 27°C; specify the right thermostat.
How much does it cost to run?
5 m² bathroom 150W mat: roughly 0.75 kWh/hour at full power. At 30p/kWh: 22p/hour. With thermostat (only runs when cooling), maybe £15–£30/month in winter.
Will it work under tiles?
Yes — tile is the ideal finish for electric UFH. Conducts heat well, evens out the surface temperature.
Smart thermostat — worth it?
Yes for kitchens and bathrooms — schedule warm floor for first thing in the morning, off when out. Pays back in efficiency over 1–2 winters.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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