The UK has more than 6 million 'hard-to-treat' homes, built with suspended ground floor.
Despite this, floor insulation has not become popular: it costs too much, and involves high disruption.
6.5 million
homes with uninsulated, cold, draughty floors across the UK.
20-25%*
of the home's heat escapes through the ground floor.
£4-5k
Traditional floor insulation creates large disruption to residents