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AnswerWhat is the best insulation for my home?
Start with the cheapest, highest-impact measures: loft insulation and cavity wall insulation. Solid-wall homes benefit most from internal or external wall insulation.
In more detail
A quick EPC or survey shows which measures your home is missing and their payback.
Work it out for your home: try our free whole-home energy planner →
See the full insulation guide →
2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.