Heat Pump Cost & Grant Calculator (UK 2026)
Estimate your heat pump cost, and what you’d pay after the £7,500 government grant.
Installed cost
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After the £7,500 Boiler Upgrade Scheme grant (England & Wales).
The Boiler Upgrade Scheme pays £7,500 towards an air or ground source heat pump in England & Wales (£9,000 for off-gas-grid homes from 21 July 2026). Ground source costs more upfront but is cheaper to run. See our heat pump cost guide.