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Roof insulation — Roofer — Cost calculator

This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.

How it works

  1. Describe what you need.
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Roof insulation — Roofer — Cost calculator

Approximate cost estimate

Separate pitched-fibreglass and flat warm-deck insulation cost examples, without a priced thickness/performance specification or full roofing assembly.

Estimated cost£400.00

This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.

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What this estimate includes

  • Installation-layer materials/labour allowance from the selected 20 m2 guide example.

What this estimate excludes

  • New waterproofing, strip-out and waste, scaffold, structural repair and moisture remediation.
  • Specified thickness, design U-value, ventilation alterations or a guarantee of compliance.