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Insulation

With ECO4 Energy Grants

What we offer

At Wise Owl Eco Grants, we help homeowners access ECO4 energy grants government backed funding that makes insulation upgrades such as loft, cavity wall, and solid wall insulation affordable or even free. We take care of the entire process, from eligibility checks to installation, guiding you every step of the way towards a warmer, more efficient home.

Who qualifies

You may be eligible if you:

  • You receive benefits like Universal Credit, Pension Credit, Housing Benefit or Tax Credits.

  • Your home has an Energy Performance Certificate (EPC) rating of D or lower

  • Your local authority identifies you as vulnerable or fuel-poor under the Flexible Eligibility route

We can confirm eligibility quickly and ensure you don’t miss out.

Why Start With Us?

Expert guidance:

Friendly assistance at every stage of your grant application and installation

No hidden costs:

All measures, including surveys and installation are fully funded through the ECO4 programme

Comfort & savings:

Our installations deliver warmer homes, lower energy bills & reduced carbon footprint.

Trusted & compliant:

Installed by accredited professionals to the highest safety and efficiency standards.

What’s included?

Your ECO4 insulation grant typically covers:

  • Loft or room-in-roof insulation

  • Cavity wall insulation

  • Solid wall insulation (internal or external)

  • Underfloor or solid floor insulation

These upgrades reduce heat loss, lower your bills, and improve comfort in your home.

How to apply?

  • Check your eligibility: We’ll help you confirm your benefit status and your property’s EPC rating.

  • Arrange a free survey: An accredited installer will assess your home.

  • Submit your application: We handle the grant application on your behalf.

  • Installation: Once approved, your insulation is installed, often at no cost.

  • Aftercare: We ensure the work meets our lofty standards and we remain on hand afterwards to answer any questions.

Types of insulation available

With ECo4 Options typically include:

  • Loft or Room-in-Roof Insulation: Keeps heat in your home’s upper spaces and is one of the most cost-effective measures.

  • Cavity Wall Insulation: Fills the gap between walls to reduce heat loss, often fully funded.

  • Solid Wall Insulation: Suitable for older homes without cavities. Can be fitted internally or externally to improve thermal performance.

  • Underfloor or Solid Floor Insulation: Reduces heat loss through the ground floor and adds warmth underfoot.

We’ll help you choose the right one for your home and heating needs.

Image by Tom Rumble

Frequently Asked Questions

  • No, ECO4 is funded by obligated energy suppliers. All works are installed at no cost to you. 

  • If you’ve had issues with past installations, we’ll ensure any new work meets strict quality standards and address existing concerns where possible.

  • Yes. Loft insulation can save up to a few hundred pounds a year, with similar savings for cavity and solid wall insulation, and noticeable reductions with underfloor insulation.

    • Start with our 60-second eligibility check

    • If eligible, we’ll perform a free in-home survey

    • After approval, installations typically happen within 2 to 8 weeks, depending on the scope of work, even faster in some cases.

    • Strapped for time? Many customers complete installations within a week for simpler measures.

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