The Boiler Upgrade Scheme (BUS) provides a £7,500 government grant towards eligible air source heat pump installations in England and Wales. Eligible homeowners replacing an oil or LPG heating system may also qualify for a temporary £9,000 grant between 21 July 2026 and 31 March 2027, subject to the latest government eligibility criteria.Choosing the right grant is only part of the process. Eligibility depends on factors such as your existing heating system, property type, and compliance with the current scheme requirements. As an MCS-certified installer (MCS Registration No. 00077576), Air Source Company verifies your eligibility, designs a compliant heating system, and manages the Boiler Upgrade Scheme application on your behalf, helping make the process as straightforward as possible.Unsure which grant your home qualifies for? We recommend reading our Air Source Heat Pump Grant Guide before arranging a free home survey. You'll learn about the latest funding options, eligibility requirements, and the application process, helping you understand exactly what support may be available for your property.