The Boiler Upgrade Scheme (BUS) supports the decarbonisation of heat in buildings. It provides upfront grants to support the installation of heat pumps in homes and non-domestic buildings in England and Wales. For eligible customers, IMS will apply for:

  • £5000 off the cost and installation of an air source heat pump
  • £6000 off the cost and installation of a ground source heat pump, including water source heat pumps
  • Owner eligibility – You may be eligible if you:
    • Live in England or Wales
    • Own your property (whether this is a home or a small non-domestic property) or be building your own self or custom build (newbuild properties being built to sell are not eligible)
    • Private landlords and second-home owners are eligible.
  • If you’re claiming other grants or funding:
    • You can still apply if you’ve received separate funding for energy efficiency upgrades such as insulation, doors or windows.
  • Property eligibility:
    • The scheme is open to domestic and small non-domestic properties with an installation capacity up to 45kWth (this covers most homes)
    • Or a current energy performance certificate (EPC), with no outstanding recommendations for loft or cavity wall insulation
  • Excluded properties
    • Grants are not available for social housing
    • Or new build properties (apart from certain self-builds)
    • Or properties that have already had government funding or support for a heat pump or biomass boiler