Heat pump cost calculator
Installed cost, the grant, running costs and payback for a UK home.
Property type Detached house Semi-detached house Mid-terrace house End-terrace house Bungalow Flat or maisonette
Bedrooms 1 2 3 4 5 or more
Current heating Gas boiler Oil boiler LPG boiler Electric storage heaters Direct electric heating
Insulation Excellent: recently retrofitted Good Average Poor
Calculate heat pump cost
Installed cost
-
median recorded for this size, before the grant
After the £7,500 grant
-
Boiler Upgrade Scheme deducted
Annual saving on a heat pump tariff
-
against your current heating
Payback
-
on the cost after the grant, heat pump tariff
Heat pump, standard tariff -
Heat pump, heat pump tariff -
See the full breakdown, grants and quotes
Ofgem cap, October to December 2026, heat pump tariff at 18.7p, oil at 11.3p on 25 September 2026, and oil prices move. Estimates, not a quote.
Calculator by Retrofit Planner