BUS monthly scheme update

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Data
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Scheme name:
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 30 April 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 126,577
Number of BUS vouchers issued 88,138*
Total value of BUS vouchers issued £620,499,500
Voucher redemption applications received 82,984**
Number of vouchers redeemed 82,651
Total value of grants paid £579,379,500
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) £88,343,000
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) £233,042,500
Remaining budget for Year 5 (1 April 2026 - 31 March 2027) £223,660,000

* this figure does not include vouchers that were issued but have since expired or have been revoked/withdrawn

** this figure does not include voucher redemption applications that have since been revoked/rejected/withdrawn

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Boiler Upgrade Scheme (BUS)

All updates

12 May 2026 updated figures to end of April 2026
14 April 2026 updated figures to end of March 2026