When Ken Loach's seminal film, Cathy Come Home, was first broadcast in November 1966 it caused a public outcry and forced the nation to face up to the shocking truth about the impact of homelessness and sub-standard housing.

Yet 50 years on, in the grips of a new housing crisis, homelessness is on the up. Not enough homes are being built and more and more people are being pushed into insecure forms of tenure because wages are not keeping up with soaring house prices and rents.