#2026/390The Boiler Upgrade Scheme (England and Wales) (Amendment) Regulations 2026
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These Regulations, coming into force on 28 April 2026, amend the original Boiler Upgrade Scheme (BUS) Regulations 2022 and their 2024 amendments. The BUS provides government grants to households and small businesses in England and Wales replacing fossil fuel heating systems (gas/oil boilers) with low-carbon alternatives such as heat pumps and biomass boilers. The amendments update eligibility criteria for properties and installed plant, revise technical requirements for heat pumps (including a new inserted Regulation 9A), and adjust the grant application, determination, and redemption processes. Changes also affect installer obligations, the power to withhold grant payments during investigations, and reporting duties. Schedules governing grant categories, application information requirements, and certification requirements have all been revised. A transitional and saving provision is included to protect applications already in progress under the previous rules. This instrument was published as a corrected substitution for SI 2026/368, which was withdrawn because it did not reflect the version actually signed by the Minister.
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Key Changes
- Regulations come into force on 28 April 2026, replacing the withdrawn SI 2026/368 which was incorrectly signed
- Eligibility criteria for properties (Regulation 5) and eligible plant (Regulation 8) updated with revised definitions
- Technical requirements for heat pumps revised under amended Regulation 9 and new inserted Regulation 9A
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Obligations
What this law requires
Secretary of State must approve standards or schemes for eligible heating systems and low-carbon alternatives before they can qualify for BUS grants
Installers must comply with revised obligations under amended Regulation 17, including meeting technical requirements and installer certification standards
Grant applicants must provide all information specified in amended Schedule 2 when submitting grant applications
Grant applicants must provide all information specified in amended Schedule 3 when submitting redemption applications
Installed heat pump systems must meet revised technical requirements specified in amended Regulation 9 and newly inserted Regulation 9A