How Much Does Underfloor Heating Cost in 2026?
Underfloor heating provides even warmth and frees up wall space by eliminating radiators. In 2026, costs range from £1,500 for a single room to £10,000+ for a whole house.
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Electric mat or cable system. Ideal for bathrooms and kitchens. Quick to install.
Water-based system connected to your boiler or heat pump. Best for new builds and renovations.
Full house system with zoned controls. Most efficient paired with a heat pump.
Factors That Affect the Cost
- System type (electric vs wet)
- Floor area
- Existing floor construction
- Insulation boards needed
- Thermostat and zone controls
Regional Price Variations
Installation costs are similar across the UK. Plumbers and heating engineers in London charge 15-25% more for wet system installation.
Frequently Asked Questions
Which type is better for renovations?
Electric systems add only 3-5mm to floor height and are ideal for retrofitting in individual rooms. Wet systems need 50-75mm depth and are better suited to new builds or major renovations.
Can underfloor heating work with a heat pump?
Yes — they are an ideal pairing. Underfloor heating operates at lower temperatures (35-45°C vs 60-70°C for radiators), matching a heat pump's optimal output.
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