Only one third of new homes needed in London were built in 2014, according to analysis by the National Housing Federation.
More than 37,500 more houses needed to be built to keep up with demand.
New figures released by the National Housing Federation show the increasing shortage of new homes for Londoners.
ITV News has not rounded the shortfall figure provided by the National Housing Federation down.
The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.