ECO4 is a British government energy-efficiency scheme (Energy Company Obligation) which aims to help an array of vulnerable households through FREE grants which provide improvements to home energy efficiency, reducing overall heating costs.
ECO4 Scheme in Wales: Claim Your ECO4 Grant
ACT NOW: The ECO4 Scheme comes to an end in March. Secure your free funding today.
Check your eligibility for the ECO4 scheme in Wales for home energy improvements. Slash your energy bills.
Just fill out our short form.
Check Your ECO4 Scheme Wales Eligibility…
You could qualify for a fully home energy improvements as long as you qualify for one criteria from either group. Residents across Wales can also check ECO4 scheme Wales flexibility routes via local authority Statements of Intent
You can find your energy certificate rating if you live in England or Wales here.
• A home with an EPC rating of D, E, F or G
• Ownership of the property, or permission from your landlord
Additional Qualifiers
• Vulnerability class (debt, health conditions, aged 65+)
• Health grounds (cardiovascular disease, mobility issues and respiratory conditions)
A household income below £31,000, or receipt of a qualifying benefit:
- Income Support (IS) & (ESA)
- Housing Benefit
- Pension Credit (Guarantee or Savings Credit)
- Child Benefit (subject to income caps)
- Universal (UC) / Child Tax (CTC) / Working Tax Credit (WTC)
- Income-based Jobseekers Allowance (JSA)

What Can You Get From The ECO4 Scheme?
Wall Insulation
- Save from £150-700 annually
- Up to 35% of home heating escapes through your walls

Heating Systems
- Average savings of £2,000-4,500 instead of a new boiler.
- Reduce home cold spots

Loft & Floor Insulation
- Reduce heat loss by up to 25%
- Save from £200-£370 annually with appropriate insulation

Solar Panels
- Save up to £500 p/y (Average UK home)
- A Typical UK home saves 1.3-1.6 tonnes of CO₂ per year.


Benefits You Can Expect From Your ECO4 Grant
Enjoy the benefits of ECO4’s government-funded TIME-LIMITED grants. No cost involved.
- Replace your old boiler and save up to £500 – £600/year on heating bills
- Cut your energy bills by 25-40% with a new A-rated boiler under ECO4
- Contribute to the environment, reduce your CO2 emissions.
- Boost property value & EPC rating.
- Improved Home Comfort

Why Choose Cyd Innovation
1. Experts In Home Energy Grants
Cyd Innovation specialises in helping homeowners and tenants unlock energy upgrades through the ECO4 scheme. Our mission is to make homes greener, healthier, and more energy-efficient. Expert support with a personal touch,
2. Independent
We’re fully independent, meaning we’re not tied to any installers or product manufacturers. This ensures you receive impartial advice and high-quality service tailored to your needs, with complete transparency throughout your grant journey.
3. Social Enterprise and Certified B-corp
As a registered Social Enterprise and B-corp organisation located in Wales, we’re committed to creating lasting impact. Our work isn’t just about profit, it’s about helping people and communities thrive.
APPLY FOR ECO4 GRANT FUNDING
We’ll assess your ECO4 eligibility, and help you apply!

What Is The ECO4 Scheme?
The ECO4 Scheme is a government energy-efficiency initiative which aims to help a wide array of vulnerable or low-income households to improve home energy efficiency through fully funded improvements to reduce overall energy bills.
The ECO4 scheme provides grants for measures like insulation, new heating systems, and solar panels, often covering up to 100% of the costs.
How Does ECO4 Work?
- 1) Cyd Innovation assess your eligibility upon submitting your ECO4 Scheme Application
- 2) Upon successful approval, a home assessment is scheduled where a certified assessor determines the best possible home improvements.
- 3) Home improvement installations
- 4) Start saving on your energy bills, all for free! No cost and no hassle.

ECO4 Scheme in Wales: Which Local Authorities in Wales Have The ECO4 Flex Scheme?
It is important to note, whilst all of the authorities below may have offered the ECO FLEX scheme to their respective residents, applicants must fall within the eligibility criteria identified above.
Need to know if your local councils provides ECO4 Flex? Look for a published Statement of Intent (SoI) on their website, and contact them.
Please note, this is purely a list of councils which have a record of providing ECO4 Flex to residents within their respective area, and may change upon the time of reading this page content.
ECO 4 Flex Authorities in Wales
- Powys County Council
- Gwynedd Council
- Ceredigion County Council
- Pembrokeshire County Council
- Flintshire Council
- Isle Of Anglesey Country Council
- Denbighshire County Council
- Conwy County Borough County Council
FAQs
Energy companies within the United Kingdom are obliged, by the government, must meet national targets by installing energy-saving measures within eligible homes.
First, an individual checks their ECO4 Scheme eligibility. Upon acceptance depending on eligibility, an approved installer assesses your home to determine possible energy-saving installations. Installations are then carried out by an approved accreditor followed by savings on your home energy bills!
You can apply by clicking the button below. Cyd Innovation assess your application, determine your eligibility and help you apply directly.
No cost at all! the only cost is filling out the 60 second form. Cyd Innovation will assess your eligibility and guide you to a successful grant application, all for free through the energy company obligation scheme.
From application to installing your home energy improvements could be as quick as a few weeks.
Not at all. Whether you’re a landlord, home owner or tenant, ECO4 funding applies to all, given you meet one of the many eligibility criteria above. If you are a tenant, you will require the landlord’s permission for relevant installations.
The ECO4 scheme comes to an end on March 31 2026. Meaning, homeowners will be able to apply, and secure grant funding for home energy upgrades until the specified date.