Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, how many grants have been awarded under the Boiler Upgrade Scheme in each month since the scheme started by (a) technology, (b) local authority and (c) constituency.

Up to the end of April 2025, the Boiler Upgrade Scheme (BUS) has received 79,964 applications, and has paid out 51,109 vouchers to the cost of ~£343 million. The Government publish monthly data on the progress of scheme which can be found here.

Published BUS statistics include data between May 2022 to March 2025 on technology type by month (tab M1.1); applications and redemptions for country/region by month and financial year (tab M1.2 & A1.1A); heat pump redemptions by local authority for each financial year (tab A1.7); and the number of redemptions paid for technology type by parliamentary constituency (Q1.3).