BUS monthly scheme update

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Data
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BUS
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As per our responsibility to publish reports on how the Boiler Upgrade Scheme (BUS) is operating, please see the statistics below. They relate to the period from 23 May 2022 to 31 March 2026.

For a full description of the steps a BUS application goes through in order for a BUS voucher to be issued, a BUS voucher to be redeemed and a BUS grant to be paid, please refer to the BUS Installer Guidance.

Voucher applications received 122,171
Number of BUS vouchers issued 85,310*
Total value of BUS vouchers issued £599,309,500
Voucher redemption applications received 80,598**
Number of vouchers redeemed 80,098
Total value of grants paid £560,254,500
Budget spent in Year 1 (23 May 2022 - 31 March 2023) £50,009,000
Budget spent in Year 2 (1 April 2023 - 31 March 2024) £88,373,000
Budget spent in Year 3 (1 April 2024 - 31 March 2025) £188,822,500
Budget spent in Year 4 (1 April 2025 - 31 March 2026) £233,065,00
Remaining budget for Year 5 (1 April 2026 - 31 March 2027) £400,000,000

* The number of BUS vouchers issued does not include vouchers that were issued but have since expired or have been revoked or withdrawn

** The number of voucher redemption applications received does not include voucher redemption applications that have since been revoked or rejected or withdrawn

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Boiler Upgrade Scheme (BUS)

All updates

14 April 2026 updated figures to end of March 2026.