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What are the requirements to be eligible for the Boiler Upgrade Scheme (BUS) grant?

If you are based in Scotland, please refer to our article on the HES grant.

To be eligible for the Boiler Upgrade Scheme (BUS) grant for a heat pump upgrade (£7,500 if you're switching from gas, or £9,000 if you're switching from oil or LPG (the £9,000 applies from July 2026 until the end of March 2027)), you must:

  • Own the home where you're applying for the grant

The System being Replaced:

  • Replace either a fossil fuel (gas, oil or LPG) heating system or an electric heating system

  • Not replace a system that already contains a heat pump or biomass boiler

  • All heat-generating components of the original heating system will be replaced (where applicable, you may retain circulation pumps, solar thermal collectors, wood-burning stoves, and supplementary electric heaters, including immersion heaters)

EPC Requirements:

  • Have a valid Energy Performance Certificate (EPC) that's no more than 10 years old or;

  • Provide a utility bill issued in the last 3 months, and a photo of your existing heating system

Your New System

  • Use the heat pump to supply all of your hot water and heating demands

For more information you can visit the OFGEM's website.