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Verified source: GOV.UK Apply for a GrantLast verified 2 Jun 2026

Boiler Upgrade Scheme

The Boiler Upgrade Scheme (BUS) supports the decarbonisation of homes and small and medium non-domestic buildings in England and Wales by providing upfront capital grants for low carbon heating systems.

Key facts

Funding amount
Up to £7,500
Deadline
Ongoing scheme
Region
England and Wales
Business type
Small businesses & SMEs
Apply on official site

Plain English summary

This scheme offers grants of up to £7,500 for small businesses in England and Wales to replace fossil fuel heating systems with more efficient, low-carbon alternatives like heat pumps or biomass boilers. The scheme aims to help businesses overcome the upfront costs of installing these systems and contribute to decarbonization efforts. Your installer will apply for the grant on your behalf, discounting the grant value from your invoice.

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Who this is best for

  • Small businesses & SMEs
  • Organisations based in England and Wales
  • Projects aligned with energy & sustainability
  • Teams seeking funding around Up to £7,500

Who should not apply

  • Individuals applying in a personal capacity (unless explicitly permitted)
  • Organisations based outside England and Wales
  • Large enterprises above SME thresholds
  • Applicants who cannot meet the official eligibility criteria below

Eligibility checklist

Tick what applies to your organisation before applying.

Official source

Funding body
GOV.UK Apply for a Grant
Last verified
2 Jun 2026

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