Heating & Boilers Costs in the UK (2026)
Complete cost guide to heating & boilers services across the UK. Click any service to see how prices vary in your city.
Boiler Replacement
£1,800 - £3,500
per boiler installed · 1-2 days
Boiler Service
£80 - £150
per annual service · 45-90 minutes
Underfloor Heating Installation
£75 - £200
per m² · 2-5 days for a typical room
Radiator Replacement
£150 - £450
per radiator · 1-3 hours per radiator
Power Flush
£400 - £900
per system · 4-8 hours
Air Source Heat Pump Installation
£8,000 - £16,000
per system installed · 3-7 days
Gas Safety Certificate (CP12)
£60 - £120
per certificate · 30-60 minutes
Smart Thermostat Installation
£150 - £400
per thermostat · 1-3 hours
Full Central Heating Installation
£3,500 - £8,000
per system · 3-7 days
Immersion Heater Replacement
£180 - £380
per element · 1-2 hours
Hot Water Cylinder Replacement
£900 - £2,200
per cylinder · 1 day
Gas Fire Installation
£400 - £1,200
per fire · 1 day
Chimney Sweep
£55 - £120
per chimney · 45-90 minutes
Wood Burner Installation
£1,800 - £4,500
per stove · 1-3 days
Oil Boiler Installation
£2,500 - £5,500
per boiler · 1-2 days