DE
Department for Energy Security and Net Zero

Boiler Upgrade Scheme

Grants for property owners replacing fossil fuel heating with low carbon systems.

OpenDepartment for Energy Security and Net ZeroUnited Kingdom

The Boiler Upgrade Scheme provides grants to encourage property owners to replace existing fossil fuel heating with more efficient, low carbon heating systems.

It supports air source heat pumps, ground source heat pumps and, in limited circumstances, biomass boilers. The work involves installing and commissioning an eligible replacement system.

Applications are installer-led. An MCS-certified in…

The scheme supports replacement of existing fossil fuel heating with more efficient, low carbon heating systems, including air source heat pumps, ground source heat pumps and, in limited circumstances, biomass boilers. Funding is not available for the replacement of existing low carbon heat systems.

CycleiHow often this grant runs β€” e.g. annually, on a rolling basis, or a one-off call.Rolling
Next deadlineiThe next date applications are due. Rolling means you can apply any time.Rolling
Decision timeiTypical time from the deadline to the funder's decision.β€”
Project durationiHow long the funded work is expected to run.β€”
Award typeiThe form of funding β€” grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.β€”
Funding pooliThe total budget available across all awards in this round.Β£775M

Sign up free to see the funding breakdown

Sign up free to see the industries in scope

Sign up free to see the full eligibility

Sign up free to see how to apply

Sign up free to see the timeline

Sign up free to see where teams trip up

Last verified: 27 Aug 2026Funder reference: boiler-upgrade-scheme-1Source: www.find-government-grants.service.gov.uk