Our Political Correspondent attended the briefing in which the Mayor revealed he also wants to get his hands on government owned property in the capital.
Boris Johnson is demanding ministers hand over the annual £1.3bn income from stamp duty on London property sales. @itvlondon
The mayor claims giving City Hall the money is the key to unlocking London's housing crisis. @itvlondon
Johnson believes the move will lead to an increase in new homes from 33,000 to 40,000 a year. @itvlondon
More top news
A South east London man was charged under modern slavery laws with keeping a person in servitude and arranging the travel of another person.
Police have launched a hunt for conmen who duped couple in their eighties out of £20,000 in life savings by posing as gasmen.
A Met Police Sergeant attached to Croydon borough has been dismissed for failing to respond to fatal attack where man was stabbed 200 times.