Boiler Upgrade Scheme fortnightly budget overview

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BUS

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Below is a statement of the budget position for the Boiler Upgrade Scheme (BUS) for financial year 2024/25, which provides a breakdown of the budget position with an explanatory note of some additional information on the various budget pots.

The Secretary of State is responsible for setting the scheme budget. At the time of publication, the annual budget for financial year 2024/25 is £205 million, with the ability to over-allocate vouchers up to £280 million.

For a full description of the BUS budget and the processes that may be followed should the budget be fully allocated, please refer to section 7 of the  BUS Installer Guidance.

Breakdown of BUS Current budget 2024/25

Breakdown Value
Budget provisionally allocated £8,337,500
Budget allocated £38,692,500
Budget committed £189,747,500
Budget available £0
Over-allocation amount £43,222,500 

Categories for the current financial year budget are:

  • Budget provisionally allocated - includes all undetermined applications. Budget cannot be allocated until property owner consent is received
  • Budget allocated - is a dynamic value, as vouchers expire or return then more budget becomes available for future vouchers to be issued
  • Budget committed - is the total value of vouchers that have been paid within this financial year
  • Budget available - is the total amount of budget not utilised within any of the other categories
  • Over-allocation amount - is the total value remaining for Ofgem to over-allocate vouchers above the current financial year budget

The figures in this publication are correct as of 31 March 2025.  Please note it is the indicative year end and that the page will not be updated in April and will be archived from 30 April