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Written question asked by Gregory Campbell (Democratic Unionist Party) on Monday, 18 May 2026, in the House of Commons. It was due for an answer on Thursday, 21 May 2026 (named day). It was answered by Martin McCluskey (Labour) on Thursday, 21 May 2026 on behalf of the Department for Energy Security and Net Zero.

Heat Pumps: Grants

Question

To ask the Secretary of State for Energy Security and Net Zero, how much grant assistance has been paid from the public purse for heating pumps since July 2024.

Answer

Between July 2024 – March 2026, the Boiler Upgrade Scheme paid out 51,444 vouchers for heat pumps, to the cost of ~£386 million.

Other schemes delivered by the department, such as the Home Upgrade Grant (HUG), Social Housing Decarbonisation Fund (SHDF), Warm Homes: Social Housing Fund and Local Grant (WH:SHF ; WH:LG) do not provide a breakdown of spend specific to heat pump subsidies alone, as they support a broader range of retrofit energy efficiency measures. However, the Government does publish data showing the average contribution costs for individual measures under these schemes, including for heat pumps.

HUG [1] [2]

SHDF [3]

WH:SHF [4]

WH:LG [5]

Number of heat pump installations (July 2024 – March 2026)

2,944

3,266

292

280

Wave 2.1

Wave 2.2

Average (mean) measure cost over lifetime of the scheme (up to March 2026)

Air source heat pump

£16,100

£16,800

£15,300

£19,900

£15,800

Ground Source Heat pump

N/A

£17,700

N/A

N/A

N/A

[1] Green Homes Grant Local Authority Delivery (LAD) and Home Upgrade Grant (HUG) release statistics: November 2025

[2] Heat pump deployment statistics: September 2025

[3] Social Housing Decarbonisation Fund statistics: April 2026

[4] Warm Homes: Social Housing Fund statistics: April 2026

[5] Warm Homes: Local Grant statistics: April 2026

Secondary information

Type
Written question
Reference
1883
Session
2026-27
Subjects
Grants Heat pumps
Contains statistics
Yes
Link
View this Written question on www.parliament.uk