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What Is Flat Roof Insulation?

Flat roof insulation adds a continuous layer of high‑performance insulating material to your flat roof assembly—either above or below the structural deck—creating a thermal barrier that stops heat escaping through the roof. It not only cuts energy bills but also improves comfort, prevents condensation issues and extends the life of your roof covering.

Why Choose ECO4‑Funded Flat Roof Insulation?

Under the government’s ECO4 scheme (running to 31 March 2026), qualifying low‑income and vulnerable households can receive 100% funding for flat roof insulation—covering materials, installation and a long‑term guarantee   . With freehousekit.co.uk you get:

•Zero Upfront Cost: No payments whatsoever if you meet the criteria.

•Professional Installation: Certified installers using PIR/PUR boards or mineral wool for U‑values down to 0.13 W/m²·K.

•Guaranteed Performance: Up to 25 years of workmanship and product warranty.

•Rapid Process: From eligibility check to completed works in as little as 3–7 days.

Who’s Eligible?

You may qualify for a completely free flat roof insulation grant if you:

1.Live in a Home with EPC D‑G

Properties rated D through G on the Energy Performance Certificate.

2.Are in Council Tax Band A‑D (England) or A‑E (Scotland/Wales).

3.Receive one or more Income‑Related Benefits, such as:

•Universal Credit, Income‑based Jobseeker’s Allowance, Income Support

•Employment & Support Allowance, Pension Credit (Guarantee or Savings)

•Child Tax Credit, Working Tax Credit, Housing Benefit

•Warm Home Discount Scheme Rebate  

Note: Unlike previous phases, ECO4 focuses on means‑tested benefits; disability‑only benefits are no longer accepted.

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How It Works

1. Quick Online Eligibility Check

Complete our 2‑minute form to confirm you meet ECO4 criteria.

2. Free Home Survey

An MCS‑accredited assessor inspects your flat roof, records dimensions and selects the optimal insulation type.

3. Grant Approval

We coordinate with your energy supplier to secure the full ECO4 grant.

4. Installation

Expert installers fit rigid PIR/PUR boards (or mineral wool where preferred), seal joints and apply a new weatherproof membrane.

Questions? Our UK‑based support team is here to help:

📞 00447510792848 

✉️ support@freehousekit.co.uk

Frequently Asked Questions

What types of flat roof systems are covered?

Both “warm roof” systems (insulation above the deck) and “cold roof” systems (insulation below the deck), as well as hybrid approaches for retrofit situations.

Most domestic flat roofs (20–40 m²) can be insulated and re‑membraned within 2–4 days, weather permitting.

Only the membrane surface changes—available in a range of finishes and colours. No change to your property’s height or profile.

Yes, but you’ll need written permission from your landlord before works commence  .

Absolutely. ECO4 supports multi‑measure installations—loft insulation, wall insulation or heating upgrades can be added under the same grant.

Ready to Insulate Your Flat Roof for Free?

1.Check Eligibility Now

2.Book Your Free Survey

3.Get Fully Funded Installation

Free House Kit is a multi-award-winning solar panel, air source heat pump, and insulation installer. We are based in Sheffield and operate the national scale.

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