Claim: There's a "massive gap" of 100,000 units a year between what housing is needed and what is being built.
Fact-check: How large is the housing gap? - Full Fact
Verdict: there's a few different ways of looking at it but 100,000 seems to be a pretty reasonable estimate of the gap .
Organisation: Full Fact
Author: Amy Sippitt
Date published: 2015-09-25T00:00:00