Synopsis
"Its report, Ending Expensive Social Tenancies, says that properties worth more than the average house price for an area account for one in five of the social housing stock.
"The 816,000 homes have a total value of £159bn, with £71.9bn of that in London.
"Around 3.5 per cent of the buildings become vacant each year and, after debts are paid off, would raise £4.5bn."