Home Heat Pump Guide

How Much Is the Heat Pump Grant UK? Full Breakdown for 2026

By Home Heat Pump Guide
UK homeowner calculating heat pump costs after applying the £7,500 BUS grant
The headline figure: £7,500 through the BUS grant in England and Wales. But the full picture varies by nation and circumstances.

The quick answer: £7,500 through the BUS grant in England and Wales. Up to £15,000 in Scotland. Potentially the full cost if you qualify for ECO4 or Nest. But the exact amount you can access depends on where you live, your income, and which schemes you can combine.

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Grant Amounts by Nation

NationMain SchemeGrantLoanTotal Support
EnglandBUS£7,500None£7,500
WalesBUS / Nest£7,500 / Full costNone£7,500+
ScotlandHES£7,500£7,500 (0%)£15,000
Northern IrelandNISEP / Affordable WarmthVariesNoneVaries

How the Grant Has Changed

Heat pump vs gas boiler cost comparison showing how the grant has made heat pumps competitive
The grant increase from £5,000 to £7,500 in 2023 made heat pumps cost-competitive with new gas boilers for many homes.

BUS Grant Amount Over Time

April 2022 (ASHP)
£5,000
April 2022 (GSHP)
£6,000
October 2023+ (both)
£7,500

Maximising Your Total Funding

UK homeowner reviewing grant amounts available for their heat pump installation
Stacking the BUS grant with a local authority top-up can cut your out-of-pocket costs to as little as £1,500.

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MCS-certified installers advise on BUS, ECO4, and local schemes.

Calculate your net cost after all available grants

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Personalised estimate showing what you actually pay.

Frequently Asked Questions

How much is the heat pump grant in 2026?

£7,500 (BUS, England/Wales), up to £15,000 (HES, Scotland), or full cost (ECO4/Nest for qualifying households).

Has the grant amount changed?

Yes — it increased from £5,000 to £7,500 in October 2023.

Same amount for air source and ground source?

Yes. Both receive £7,500 through BUS.

About UK Heat Pump Grant Amounts

Heat pump grant amounts vary across the UK's four nations. The Boiler Upgrade Scheme in England and Wales provides a flat £7,500, while Home Energy Scotland offers up to £15,000 in combined support. ECO4 and Nest can cover the full cost for vulnerable households. These grants make air source and ground source heat pumps affordable for most UK homeowners. Those also considering solar panels can access separate funding, stacking renewable energy savings.