In a statement, a Metropolitan Police spokesman said:
"The land had been leased to Crown Housing Association to providenon-permanent accommodation for their own tenants who hold short-term leases.
The lease to Crown Housing Association expired in December 2012. We continue to work closely with Crown Housing Association regarding arrangements with current occupiers before we proceed to market."
More top news
Police are hunting a man who is suspected of grabbing an 11-year-old girl who only got away by biting her attacker's hand.
A woman and man have been charged with murder after a baby was found unresponsive on a bus.
Rebecca Casserly was on her way to buy a coffee in north London when her phone was suddenly snatch from her hand by a man riding a bike.