What we offer
We help you access the ECO4 scheme, part of the UK Government’s Energy Company Obligation (Phase 4), to replace outdated boilers at no cost. It focuses on upgrading inefficient, non-condensing or back boilers to modern, A-rated condensing or combi boilers, lowering your energy bills and reducing environmental impact.
Who qualifies
You may be eligible if you:
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Receive certain means-tested benefits such as Universal Credit, Jobseeker’s Allowance, Employment and Support Allowance, Pension Credit or Working Tax Credit
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Live in a property with an old, inefficient boiler or a sub-standard energy efficiency rating (EPC D–G)
Why upgrade?
New boilers can be up to 90 % efficient, cutting fuel use and energy bills significantly
You’ll enjoy more reliable heating, fewer breakdowns, and modern warranties
Upgrading may increase your property’s value and improve your EPC rating
The scheme supports the UK’s net-zero commitment by reducing carbon emissions
How to apply?
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We assess your eligibility—based on benefits, income, current boiler condition, and energy rating
Book a survey with a qualified installer
If approved, your new boiler is installed at no cost by certified professionals
Types of boilers available
Options typically include:
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Combi boilers – compact, fast hot water, ideal for small homes
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System or conventional boilers – suitable for homes with storage tanks or multiple bathrooms
We’ll help you choose the right one for your home and heating needs.
Ready to save on energy bills & upgrade your home with no costs?
Start your 60‑second eligibility check now and let Wise Owl Eco Grants guide you to a warmer, greener future.
Frequently Asked Questions
No, ECO4 is funded by obligated energy suppliers. All works are installed at no cost to you.
You might qualify if any of the following apply:
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You or someone in your household receives qualifying benefits such as Universal Credit, JSA, ESA, Income Support, Housing Benefit, Tax Credits, or Pension Credit.
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Household income is below £31,000/year, even without benefits, via Flexible Eligibility.
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A health condition (e.g. respiratory, cardiovascular, mobility issues) that makes your home’s warmth crucial.
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You may still qualify via “Flex” eligibility through your local authority, especially if you're on low income or have health vulnerabilities.
You will receive a modern, energy-efficient combi or suitable alternative for your home.
Not to worry first-time central heating and boiler installations can also be supported.
Absolutely. You'll receive all compliance paperwork, plus any warranties or guarantees that come with the installed measures