I insulated my home with £1 cardboard and polystyrene from eBay - and I'm still worried about rising energy price cap: Single father who used DIY hacks to cut £800 heating bills reveals fears over Ofgem hike | Daily Mail Online

EXCLUSIVE: Nigel Cleall, of Martley, Worcestershire, said he has spent more than £500 keeping his flat warm with DIY insulation techniques and claimed to have saved over 75 per cent on his bills.