How do I check if I qualify for ECO4?

Contact your energy supplier, your local council, or the Simple Energy Advice service (gov.uk). You will need: proof of qualifying benefits and your property's EPC rating. The assessment is free.

Is the ECO4 scheme still running?

ECO4 runs until March 2026. Budget is limited and allocated on a first-come basis. If you think you qualify, apply as soon as possible. A successor scheme may follow but details are not confirmed.

Do I need to pay anything under ECO4?

No. ECO4 measures should be fully funded at no cost to the householder. If a company asks you to pay upfront, an administration fee, or a survey fee for ECO4 work — be cautious and verify through your energy supplier or local authority.

ECO4 Solar Panel Grants: Who Qualifies?

Q: Can I get free solar panels through ECO4?

Potentially, yes — if you receive means-tested benefits and live in a property rated EPC D, E, F, or G. However, ECO4 prioritises insulation over solar. Free solar is more likely if your home already has adequate insulation and solar is the most cost-effective remaining improvement.

By Home Solar Guide Team|Updated 18 March 2026|money

Independently written | Evidence-based | Sources cited

Solar panels on a UK terraced house — potentially funded through ECO4 — The ECO4 scheme can fund solar panels for eligible households — but criteria are strict.

Check what support you actually qualify for

Most UK solar 'grants' have narrow eligibility. Find out what applies to your property — and what an installation would cost after it.

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Free. We will tell you if nothing applies.

Can I get free solar panels through ECO4?

The ECO4 scheme (Energy Company Obligation 4) can provide free or heavily subsidised solar panels to low-income and vulnerable households in the UK. To qualify, you typically need to: receive certain means-tested benefits (Universal Credit, Pension Credit, etc.), live in a property with EPC rating D, E, F, or G, and be referred through your local authority or energy supplier. ECO4 runs until March 2026 — a successor scheme (ECO+/Great British Insulation Scheme) focuses mainly on insulation.

What Is ECO4?

The Energy Company Obligation (ECO4) is a UK government scheme that requires large energy suppliers to fund energy efficiency improvements for low-income and vulnerable households.

Key facts: - Runs: April 2022 – March 2026 - Funded by: Major energy suppliers (British Gas, EDF, E.ON, etc.) - Value: £4 billion total scheme value - Covers: Insulation, heating upgrades, and in some cases, solar panels - Target: Properties rated EPC D, E, F, or G - Goal: Improve homes to at least EPC C

Important: ECO4 primarily funds insulation and heating measures. Solar panels are eligible but are a lower priority than insulation — they are more commonly funded after wall and loft insulation have been installed.

Source: Ofgem ECO4 administration; BEIS ECO4 order.

UK housing estate — ECO4 targets properties with poor EPC ratings — ECO4 focuses on the least energy-efficient homes — improving them toward EPC C.

Eligibility Criteria

To qualify for ECO4 funding, you typically need to meet TWO conditions:

Condition 1 — Benefits qualification: You (or someone in your household) must receive one of these means-tested benefits: - Universal Credit - Pension Guarantee Credit - Income-based Jobseeker's Allowance - Income-related Employment and Support Allowance - Income Support - Child Tax Credit (income under £16,480) - Working Tax Credit (income under £16,480) - Housing Benefit - Warm Home Discount rebate (core group)

OR you may qualify through a local authority referral based on fuel poverty criteria (LA Flex pathway).

Condition 2 — Property qualification: - EPC rating of D, E, F, or G - Must be your primary residence (not a second home) - Owner-occupied or private rental (with landlord consent) - Some social housing may qualify through housing association applications

Source: Ofgem ECO4 eligibility guidance.

UK home that may qualify for ECO4 solar funding — ECO4 targets households on means-tested benefits in poorly rated properties.

How to Apply for ECO4 Solar Panels

Contact your energy supplier — all major suppliers have ECO4 obligations and can check your eligibility
Contact your local authority — many councils run ECO4 referral programmes (LA Flex) for fuel-poor households
Use the Simple Energy Advice service (gov.uk) — free government-backed service that checks eligibility and connects you with ECO4 providers
Contact an ECO4-accredited installer — some installers specialise in ECO4 and can process your application directly
Be prepared to provide: proof of benefits, property EPC, and household composition information

Check what support you actually qualify for

Most UK solar 'grants' have narrow eligibility. Find out what applies to your property — and what an installation would cost after it.

Check My Eligibility

Important warnings: - ECO4 is fully funded — you should never pay upfront for an ECO4-funded measure - Be cautious of companies that charge an 'administration fee' or 'survey fee' — this is not standard ECO4 practice - Some companies target ECO4-eligible households with aggressive sales for additional (non-funded) measures — get independent advice before agreeing to anything beyond the ECO4 scope - ECO4 has limited remaining budget (it closes March 2026) — apply early if you think you qualify

Source: Ofgem; Citizens Advice ECO guidance.

Household checking ECO4 eligibility for solar panel funding — Check eligibility through your energy supplier, local council, or the Simple Energy Advice service.

What ECO4 Typically Funds (In Priority Order)

ECO4 follows a 'fabric first' approach — insulation before generation:

Loft insulation (most common ECO4 measure)
Cavity wall insulation
Solid wall insulation (internal or external)
Floor insulation
Heating system replacement (broken boiler → new boiler or heat pump)
First-time central heating
Solar panels (typically funded AFTER insulation is complete)
Room-in-roof insulation
Window/door replacement (in some cases)

Solar panels under ECO4: Funding for solar is available but is not guaranteed. The scheme prioritises insulation because it has a larger EPC impact per pound spent. Solar is more likely to be funded if: - Your property already has adequate insulation - Adding solar is the most cost-effective way to reach EPC C - Your property has a south-facing roof suitable for solar - The energy supplier has remaining budget for solar measures

Source: Ofgem ECO4 measure prioritisation guidance.

ECO4 funded solar — zero upfront cost with full 25-year savings — If you qualify for ECO4 solar: zero upfront cost, full 25-year savings — the best possible ROI.

What If You Do Not Qualify for ECO4?

Most homeowners do not qualify for ECO4 — it targets the most vulnerable households. If you do not qualify:

Financial support still available: - 0% VAT on solar installation — saves £1,000–£1,600 (available to everyone) - Smart Export Guarantee — earn 4–15p/kWh for surplus electricity - BUS grant (£7,500) — if you combine solar with a heat pump - 0% interest finance — some installers offer 0% finance over 3–10 years - Personal loan — competitive rates for solar (often 3–5% APR)

Self-funded solar still makes excellent sense: - £5,500–£8,000 investment at 0% VAT - £700–£900/year savings - 8–12 year payback - 200–400% ROI over 25 years

ECO4 provides the best deal (free), but self-funded solar is still one of the best home investments available.

Source: Ofgem; various government incentive schemes.