Cavity wall insulation slows down the rate at which warm air escapes your property, keeping each room of your house warm even when it is bitterly cold outside.

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If you are living on means tested benefits AND you live in the hardest-to-heat homes you may be eligible for a free new central heating boiler, insulation for a hot water cylinder, loft, cavity wall and solid wall insulation, draught proofing for doors and windows or renewable energy technologies such as solar panels.

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Improvements could include attic and wall cavity insulation, high-efficiency windows and appliances, duct-sealing, or rooftop solar.

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All Archimede houses have an underfloor cavity that is always pressurized with warm air, and a series of tiny holes punched next to the outside wall encourages a slow diffusion of warmer air that prevents condensation and fungus development.

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