Insulation

Cavity Wall Insulation Explained

Emerald Green Energy Team 18 August 20254 min read

Many homes built after the 1920s have a gap (cavity) between two layers of external wall. Filling this cavity with insulation material helps reduce heat loss.

Installation is generally fast and minimally disruptive, small holes are drilled, insulation injected, and the wall reinstated.

Common questions

Yes. Contact our team and we can talk you through what may suit your home.

No. Eligibility depends on current scheme rules and property circumstances.

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