It is unclear at this stage how much of this increase in value is attributable to the infrastructure and amenities built by the government as part of a TPS, and how much is simply a consequence of zoning conversion that brings new fringe land into the urban land market.
At a Labour conference fringe event, he said Mr Miliband has a "very strong idea of how the market humiliates people" and called for more "constraints" on the domination of the rich.