A firm commitment to increase house building by at least 100,000 houses a year by 2015 including at least 50,000 more social homes by freeing councils and housing associations to borrow and build. (socialliberal.net)
That's the equivalent of building 50,000 new social homes, or # 2.5 billion, over the course of this parliament. (politics.co.uk)
Last year, Right to Buy sales accounted for 88 % of the total number of social homes lost in the capital. (cityhalllabour.org)