Architect and interior designer Red Box Design Group has designed Stella House, the headquarters for regional development agency One NorthEast at Newburn Riverside in Newcastle upon Tyne. Design features of the 5500 m2 building include mixed-mode cooling with natural ventilation, solar-shading and recovery of grey water from roof drainage. The building also has an internal courtyard for staff that can be used as an exhibition area. The project team included Mowlem as contractor, RW Gregory as services engineer and Turner & Townsend as QS.