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.
Anita Bigsby, fringe festival organiser, said people wanted more events in the town itself, including comedy, an arts market, poetry readings, music from local bands and drama performances from schools.