What affects the cost?
Underfloor heating cost is driven by system type, heated floor area, insulation, floor build-up and whether the project is a new build or retrofit. Retrofit wet systems are typically the most expensive to install.
- Electric or wet system
- Heated floor area
- New build or retrofit
- Insulation level
- Screed and floor build-up
- Controls and heating source
Typical cost breakdown
Regional planning examples
The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.
Sources used for this guide
Underfloor Heating Cost: 2026 UK Price Guide & Breakdown
Published / checked: Updated March 2026; cost tables checked June 2026
Used for: Electric and wet underfloor heating installation costs per m² and whole-property ranges
Frequently asked questions
Is wet underfloor heating more expensive to install?
Usually. Current UK installation guidance places wet systems above electric systems per square metre, especially in retrofit projects.
Which system is cheaper to run?
Running cost depends on tariffs and heating source, but wet systems are often more suitable for larger areas and can pair well with heat pumps.
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