Q. does Labour realise how much it would cost to insulate Britain, and if they do have they found a way to fund it?
Perhaps the key Q. is who should pay; a universal programme would see many who could afford retro-fitting gaining funds at the expense of all taxpayers, but are the social (climate) benefits so great that this 'unnecessary' subsidy should be ignored?
No-one said retrofitting the UK's housing stock would be (politically) easy...