Steve Menary looks at the latest results of HouseBuilder&’s regional planning application survey and the impact of recent industry restructuring.The results of the continuing consolidation among the quoted housebuilders is again in evidence in the latest quarterly survey of &“who&’s building where&” from Emap Glenigan.Wimpey&’s take-over of Alfred McAlpine&’s housebuilding division in August returns the company to its position as …