Balfron, Broomhill and MacFarlane Houses, Balornock Bowling Club and Sandyford Clinic in 'studio KAP'

Christopher Platt of KAP architects favours prefab and, for his recent cuboid, shingle-clad house in Scotland, used Swedish-made closed panels. He eschews PV panels and wind turbines too in favour of the right materials and building systems, in his case partly because he thinks these technologies are not yet efficient enough. He also maintains that aesthetics are central to sustainability. "We need to create buildings that contribute to our architectural heritage," he says.