Free Boiler Upgrade Scheme – Backed by the UK Government (ECO4)
By Peter Davies, ECO4 Analyst
Reviewed
Short answer: Yes — under the UK Government's ECO4 scheme, qualifying households get a brand-new A-rated boiler completely free, funded by energy suppliers with no upfront cost or repayment. Most qualify through Universal Credit, Pension Credit, ESA, or other income-related benefits, and swapping an old boiler for an A-rated one typically cuts energy bills by £800+ a year. Checking your eligibility takes about 49 seconds.
Cost if you qualify
£0
Typical annual savings
£800+
To check eligibility
49 sec
UK installations
7,000+
What Is the Free Boiler Upgrade Scheme?
Under the UK Government's ECO4 program, qualifying households can get a brand-new A-rated boiler completely free of charge.
Major energy companies fund the scheme as part of their government obligations to improve energy efficiency.
A-rated boilers are significantly more efficient, leading to substantial savings on your heating costs.
The entire installation is completely free with no hidden costs or repayment obligations.
How the ECO4 Boiler Grant Works
Bottom line —ECO4 is fully government-backed and funded by energy suppliers — if you qualify, your new A-rated boiler and installation cost you nothing, and could save you £800+ a year on energy bills.
How It Works
Get your free boiler upgrade in 4 simple steps.
- 1Fill out our quick eligibility checker — enter your postcode and answer a few quick questions about your home and circumstances.
- 2Receive a call to confirm your details — our team will call you to verify your information and answer any questions you may have.
- 3Book your free home survey — we'll arrange a convenient time for our engineers to visit and assess your property.
- 4Boiler installed by our certified team — our Gas Safe registered engineers install your new A-rated boiler at no cost to you.
Bottom line —From eligibility check to finished installation, our Gas Safe registered engineers handle everything — a typical boiler swap takes just 1–2 days on site.
Do You Qualify?
Check if you meet the basic requirements for a free boiler upgrade.
Both homeowners and private tenants can qualify for the scheme.
Such as Pension Credit, Universal Credit, ESA, or other income-related benefits.
Your current heating system is inefficient or needs replacement.
Bottom line —You're likely eligible if you're a homeowner or private tenant on a qualifying benefit (like Universal Credit, Pension Credit or ESA) with an old or inefficient boiler — check your exact eligibility in 49 seconds.
Frequently Asked Questions
Get answers to the most common questions about free boiler upgrades.
Is this really free?
Yes – it's 100% funded by the government through ECO4. There are no hidden costs or obligations for eligible households.
What benefits must I be on?
Most common qualifying benefits include Universal Credit, Pension Credit, ESA, Income Support, Child Tax Credit, and Working Tax Credit. Some benefits may have associated income thresholds.
How much can I save with a free boiler upgrade?
Most households save £800+ annually on their energy bills after upgrading to an A-rated boiler through the ECO4 scheme.
How long does the installation take?
A typical boiler installation takes 1-2 days. Our Gas Safe registered engineers will complete the work efficiently with minimal disruption to your home.
Can tenants get a free boiler upgrade?
Yes, private tenants can receive a free boiler upgrade. You will need your landlord's permission to proceed with the installation.
Free Boiler Upgrade Scheme: Summary
Free Boiler Upgrade UK is an independent ECO4 eligibility and application-assistance service, helping qualifying UK households get a brand-new A-rated boiler installed at no cost, and connecting them nationwide with Gas Safe registered engineers.
The scheme is funded by major energy suppliers under the government's ECO4 obligation, so there's no upfront cost and nothing to repay. Most households qualify through an income-related benefit — Universal Credit, Pension Credit, ESA and others all count — combined with an old or inefficient boiler; both homeowners and private tenants (with landlord permission) can apply.
Checking your eligibility takes about 49 seconds, and once approved, installation is typically completed within 1–2 days by our vetted engineer network. We also cover related routes for pensioners, Universal Credit claimants and disabled applicants under the same scheme.
Swapping an old boiler for a new A-rated one typically cuts energy bills by £800+ a year, and we've completed 7,000+ installations across the UK to date. Final approval always depends on a home survey and supplier sign-off, so start with the free eligibility check to see where you stand.
Check Your Free Boiler Eligibility Now
It takes about 49 seconds to check whether you qualify for a fully government-backed ECO4 boiler upgrade. If you qualify, your new A-rated boiler and installation are 100% free — no upfront cost, no repayment, ever.
Get Your Free Boiler in 49 Seconds
No hidden fees, no catches. Just fast, simple government-supported upgrades.