Boiler Upgrade Scheme
A smarter way to upgrade your home's heating.
Thinking about replacing an old heating system?
The Boiler Upgrade Scheme may provide grant support
towards an eligible low-carbon heating installation.
£7,500
For eligible air source heat pump installations
Grant amounts and eligibility are subject to the current government scheme rules and property assessment.
Why consider BUS?
Benefits of upgrading your heating
A well-designed low-carbon heating system can make your home more efficient while reducing
its reliance on traditional heating fuels.
Efficient heating
Designed to deliver useful heat while using electricity efficiently.
Potential savings
A well-designed system can help reduce energy use and improve household efficienc
Lower carbon
Heat pumps can reduce reliance on fossil-fuel heating and support a lower-carbon home.
How It Works
From application to installation. we guide you through every step
with our dedicated support team.
01
Check your eligibility
Use our quick online checker to see if you qualify based on your benefits, income, and property type. Takes under 2 minutes.
02
Free home survey
An accredited assessor visits your home to identify what upgrades will benefit you most and what ECO4 will cover.
03
Installation arranged
Approved, vetted contractors carry out all work to the highest standards. You stay informed at every stage.
04
Enjoy the savings
Your home becomes warmer, cheaper to run, and more environmentally friendly — at absolutely zero cost to you.
Eligibility
Who may be eligible?
Eligibility varies by funding scheme and property. A quick assessment is the easiest way to find out.
- UK residential property
- Property meets scheme requirements
- Suitable existing heating system
- Household meets applicable criteria
Questions?
Boiler Upgrade Scheme FAQs
What is the Boiler Upgrade Scheme?
BUS is a government scheme supporting eligible low-carbon heating installations in England and Wales.
How much grant support can I get?
For eligible air source heat pump installations, support of up to £7,500 may be available under the current scheme rules.
Will every property qualify?
No. Eligibility depends on the property, existing heating system, technology and current scheme requirements.
How do I find out if I qualify?
Complete an eligibility check and the relevant property details can then be assessed.
Ready to explore your heating options?
Take the first step and check whether your property may be eligible for BUS support.