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AnswerHow much does a heat pump cost for a 4-bedroom house?
An air-source heat pump for a 4-bedroom house typically costs £11,000–£15,000 installed, or £3,500–£7,500 after the £7,500 Boiler Upgrade Scheme grant.
Cost depends on the unit size, radiator upgrades for lower flow temperatures, and the hot-water cylinder.
| Before grant | £11,000–£15,000 |
|---|---|
| Grant | −£7,500 |
| Net cost | £3,500–£7,500 |
Running costs → · Am I eligible? →
2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.