The SixtyK Consortium’s winning entry in the Design for Manufacture competition. The team, led by Crest Nicholson and Kingspan, also includes architects Sheppard Robson, Davis Langdon, Arup and McFarlane Wilder. Judges praised the entry as a "strong architectural product."David Broadbent, Persimmon’s north west regional chairman, said: "I was surprised and disappointed. Having done the summit house I thought that would …