Am I missing something here isn't it the Tories who want people to downsize?
The original housing policy led to huge social problems, sold the housing stock, didn't replace it. Tory policy made tons of people redundant, couldn't afford the mortgage, lost the homes. Influx of empty houses devastation of the housing market - Boom and bust.
"There is no such thing as society. There are individual men and women, and there are families. And no government can do anything except through people, and people must look after themselves first. It is our duty to look after ourselves and then to look after our neighbour" Margret Thatcher 1987.