Save Energy. Save Money.

ECO4 is the fourth and final phase of the government’s energy obligation. Next Energy will have full participation within this upcoming scheme and install a high number of heating, insulation and renewable measures.
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Eco4 Scheme In 40 Sec.

100% Free Heating & Insulation Upgrades for UK Homes,From application to installation. we handle everything for you.The ECO4 scheme is the fourth and final phase of the government’s initiative to increase the energy efficiency performance of properties occupied by low-income residents.

Frequently Asked Questions


Government Funded

Zero upfront costs all insulation, heating, and boiler upgrades covered under ECO4.​

Local, Qualified Experts

Our certified installers and work across the UK to deliver top quality upgrades.​

Proven Track Record

Over 500 home upgrades, 20+ years’ industry experience, and £600K+ in project value.

Don’t Know What To Start With?

Ready to Upgrade Your Home for Free?

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Save Energy. Save Money. Live Greener

Get up to 100% FREE government backed upgrades for your home insulation, heating & more.Submit your details to see if you qualify for government backed energy upgrades.
Discover how you can benefit from the ECO4 Scheme. Whether you’re looking for ECO4 funding or want to understand the ECO4 eligibility criteria, we’ve got you covered.

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600k+

Our Project Value

100K+

Happy Customers


100+

Best Workers


500+

Projects Complete

What Our Customers Say

Hear from our satisfied customers who have experienced the quality and value of our products and services.

★★★★★

Fantastic experience with external wall insulation. The house looks great and feels much warmer. Highly recommended!

Lisa Taylor

★★★★★

Excellent service from start to finish. The team was professional and the insulation work has made a huge difference to our heating bills..

Sarah Johnson

★★★★★

Amazing experience! Got a free boiler replacement through the ECO4 scheme. Highly recommend Wintak Homes.

David Smith

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ECO4 specialists and TrustMark Approved installers