Boiler Upgrade Scheme: Guidance for Property Owners

This guidance document is for property owners looking to complete low carbon heating installations as part of the Boiler Upgrade Scheme.  

The scheme provides a grant to help cover the costs of installing low carbon heating technologies, such as heat pumps. 

The property owner guidance covers:  

• an overview of the Boiler Upgrade Scheme 
• the roles and responsibilities of all involved in the scheme 
• eligibility requirements
• the application process
• audit and compliance activity 
• the queries, feedback, and complaints process 

Choosing the right guidance for your application 

Version 5 Boiler Upgrade Scheme guidance for property owners is the current version and applies to all applications properly made on or after 28 April 2026.  

Version 4.1 Boiler Upgrade Scheme guidance for property owners published on 09 April 2025, is available to view applies to applications properly made before 28 April 2026. 

A voucher application is only considered ‘properly made’ once Ofgem has all the necessary information to assess eligibility, and you have provided consent and identity verification.  

At redemption stage an application is ‘properly made’ when Ofgem has all the required information.  

Where further information is requested, an application will not be consider properly made 

If you need to access an earlier version of the guidance, contact us at BUS.Enquiry@ofgem.gov.uk.