Heat Pump Grants UK: Who's Eligible in 2025? (BUS & ECO4 Guide)
- waqasdigital6
- Jul 27
- 3 min read
Quick Summary
Many UK homeowners are eligible for heat pump grants in 2025. This includes support through the Boiler Upgrade Scheme (BUS) and the ECO4 scheme, designed for low-income households or energy-inefficient homes. In this guide by Air Source Company, we’ll explain the key grants, who qualifies, how to apply, and clear up common misconceptions.
Introduction: Heat Pump Grants UK – Are You Eligible?
Heat pump grants UK are making it easier for households to switch to greener heating. With the government committed to phasing out fossil fuel boilers, now is the time to explore whether your home qualifies for free or discounted heat pump installation.
Thousands of homes across the UK are eligible in 2025, thanks to generous incentives such as the Boiler Upgrade Scheme (BUS) and the Energy Company Obligation (ECO4).

What Is the Boiler Upgrade Scheme (BUS)?
The Boiler Upgrade Scheme offers a £7,500 grant to homeowners replacing their gas or oil boiler with an air source heat pump. It’s part of the UK Government's push to decarbonize heating.
BUS Key Points:
£7,500 grant for air source heat pumps
Available in England and Wales
No repayment needed
Must own the property (includes landlords)
Property must have a valid Energy Performance Certificate (EPC) with no outstanding insulation recommendations
Official source: Boiler Upgrade Scheme - GOV.UK
Understanding ECO4 Scheme: Help for Low-Income Homes
The ECO4 grant 2025 focuses on helping low-income households improve energy efficiency. This includes fully-funded heat pump installations for eligible homes.
Who qualifies for ECO4?
On certain benefits (e.g. UC, Pension Credit, Income Support)
Low EPC rating (E, F, or G)
Household income under £31,000 (in some cases)
Owned or privately rented property
Unlike BUS, ECO4 does not require any upfront payment. In many cases, it's 100% free.
How to Qualify for Heat Pump Grants UK
Check these key eligibility factors:
Property ownership: Homeowners and landlords qualify
Insulation: Loft and cavity wall insulation may be required
EPC rating: Must be D or higher for BUS; E-G accepted for ECO4
Income/benefits: Relevant for ECO4 only
We simplify this process at Air Source Company with our Free Grant Checker.
Step-by-Step Guide to Apply for Heat Pump Grants UK
1. Book a Free Home Survey
We’ll assess your insulation, heating system, and EPC rating.
2. Confirm Eligibility
Our experts will match you with the best grant (BUS or ECO4).
3. Installation
Our certified engineers install your heat pump efficiently and with minimal disruption.
4. Claim Your Grant
We handle the paperwork with the government – you don’t pay upfront if you qualify.
Start now with a no-obligation consultation from Air Source Company.
Misconceptions About Heat Pump Grants UK
“You must be on benefits to qualify” – False
You can qualify under BUS without being on any benefits. ECO4 is income-based, but not exclusively for benefit claimants.
“It’s only for new builds” – False
Older properties can qualify as long as basic insulation requirements are met.
“You have to pay upfront” – Not always
ECO4 often covers 100% of costs. BUS requires upfront payment, but it’s deducted from your final invoice.
FAQs: Heat Pump Grants UK
Who is eligible for a free heat pump?
Low-income households with inefficient homes (EPC rating E-G) may qualify for 100% funding under the ECO4 scheme.
How much is the Boiler Upgrade Scheme grant?
The BUS provides a £7,500 voucher towards the cost of an air source heat pump installation.
Do I need to be on benefits for heat pump grants?
No, BUS does not require benefits. ECO4 may, but some schemes are income-based.
What homes qualify for ECO4?
Homes with EPC ratings of E, F, or G, owned or privately rented, and meeting income or benefit criteria.
Can landlords apply for heat pump grants?
Yes, landlords can apply under the BUS scheme for eligible properties.
How long does the grant process take?
From survey to installation, the typical process takes 3–6 weeks.
Ready to Claim Your Heat Pump Grant?
Use our Free Grant Checker to find out if you qualify in under 60 seconds.
Don’t miss out on your chance to save thousands and reduce your carbon footprint.
💬 Book your free eligibility survey today with Air Source Company — your local trusted heat pump specialists in the UK.
