Insulation Articles
External wall insulation, cavity fill, and retrofit guides for East Anglia homes. How to reduce heat loss, improve your EPC, and prepare your home for a heat pump.

External Wall Insulation: Costs, Grants and Savings Guide
Complete guide to external wall insulation costs in 2026. ECO4 funding, U-value improvements, materials compared, and savings calculations for East Anglia homes.
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External Wall Insulation in East Anglia: Costs, ECO4 & What to Expect
External wall insulation costs, ECO4 grant eligibility, and what the process looks like for solid-wall homes in Cambridgeshire, Norfolk, and Suffolk.
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Cavity Wall Insulation in East Anglia: Costs, ECO4 Funding & What to Expect
Many Cambridgeshire, Norfolk and Suffolk homes built 1920–1995 have unfilled cavity walls. We explain how to check yours, what insulation costs, and how to get it free or subsidised under ECO4.
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Loft Insulation Costs 2026: What to Pay, ECO4 Funding & How Much You Save
Loft insulation is the quickest payback energy efficiency measure for most homes. We cover current costs across East Anglia, the ECO4 free insulation scheme, and what savings to realistically expect.
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