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Check My Eligibility →The Boiler Upgrade Scheme (BUS) offers Hounslow homeowners cash grants to replace old boilers with modern heat pump systems. From July 2026 to March 2027, you could receive up to £9,000 towards the cost of installing an air source heat pump, ground source heat pump, or switching away from an oil or LPG boiler.
Opennest works with MCS-certified installers across Hounslow to help you access this funding and complete your green retrofit. We handle the paperwork, connect you with qualified engineers, and guide you through every step of the process.
From July 2026 to March 2027, grants are £7,500 for air source heat pumps, £7,500 for ground source heat pumps, and £9,000 for homes currently heated by oil or LPG boilers. The remaining installation cost is your responsibility.
Yes, you must be the owner-occupier of the property. The scheme is not available to tenants or landlords. You must also have lived at the address for at least 3 months.
Air source heat pumps (ASHP) and ground source heat pumps (GSHP) are eligible. The installer must be MCS-certified and the system must meet minimum efficiency standards set by the scheme.
Once your installer submits the application, you can typically expect a decision within 4–6 weeks. Opennest keeps you informed of progress throughout. Installation usually follows within 2–4 weeks of approval.
Yes. Opennest arranges quotes from MCS-certified installers in Hounslow, explains your options, and your chosen installer handles the BUS application. We're here to answer questions and support you from enquiry to completion.
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