If you are thinking about replacing an oil, LPG or gas heating system, grant support may reduce the upfront cost of a heat pump. The key is checking the current eligibility requirements before making an installation decision.
How much support is available?
As of October 2026, the Boiler Upgrade Scheme offers £7,500 towards eligible air-to-water and ground source heat pump installations in England and Wales. Eligible off-gas-grid homes currently heated by oil or LPG can receive an enhanced £9,000 grant for qualifying air-to-water or ground source systems, available from 21 July 2026 until 31 March 2027. Different amounts apply to other eligible technologies.
Does every home qualify?
No. Property ownership, the existing heating system, technical criteria, a valid Energy Performance Certificate and scheme rules can affect eligibility. For the enhanced grant, the property must meet the off-gas-grid and existing fuel requirements. You should not assume that a grant will cover the entire installation price.
What should a homeowner do first?
- Check the existing heating fuel and whether the home has a mains gas connection.
- Locate the EPC and check any relevant outstanding insulation recommendations.
- Arrange a property assessment, including heat loss, hot water and radiator requirements.
- Obtain a detailed quotation that identifies the proposed system and any grant deduction.
Why system design matters
A heat pump performs best when the heating system is designed for the building. The assessment should consider heat loss, required flow temperatures, emitters, hot-water capacity, positioning and controls. A grant is valuable, but it should not replace a sound technical decision.
C&T works with homeowners across South Wales to assess low-carbon heating options. Read about the enhanced off-gas-grid grant or request an assessment.
Sources: Ofgem, Boiler Upgrade Scheme — property owners; GOV.UK, what you can get. Scheme terms can change. Last checked 23 October 2026.