Office arena: This Skidmore, Owings & Merrill-designed mixed-use scheme has been proposed to replace the London Arena at Crossharbour in London Docklands. It will include 61,700 m2 of office space, a 400-room hotel and more than 1000 flats. The project team includes developer Ballymore Properties, planning consultant GVA Grimley, transportation consultant Arup and development consultant Chesterton.