 The power stations had the "brick-cathedral" style of design popular for power stations in the 1930s and 1940s and, as of 2009, still tenuously surviving at Battersea power station in London.The main buildings of the South station had a total length of and a width of ; their tallest point, the roof of the boiler house, was high.The main buildings of the North station were of a similar length and height, but in total slightly narrower as the station had one less generator unit.