By Jessica Frank-Keyes Labour has invited developers to work in “lock step” with the party on house building to deliver 1.5m new homes over the next five years. It comes as Sir Keir Starmer launches the ‘Freedom to Buy’ scheme in a bid to get young people on the housing ladder, via a permanent state-backed mortgage guarantee scheme. Speaking exclusively to City A.M., deputy Labour leader Angela Rayner invited businesses to work in partnership with the party, pledging: “Only business can get Britain building – our job is to make it easier.” The party will offer ‘first dibs’ on new developments …