Sawtoothroof

Designed by Francesco Pierazzi Architects, Sawtooth House transforms an ageing rear extension to a Victorian property in Kingston upon Thames, south-west London, into a more energy-efficient and adaptable family home. Rather than pursuing substantial additional floor area, the project adds only 15 square metres to the existing building while undertaking a broader retrofit of the original house. The resulting 180-square-metre residence demonstrates how targeted additions can be combined with improvements to the existing building fabric to reduce operational energy demand and extend the useful life of established housing. Peter Molloy The architecture also draws on Kingston’s industrial history: its distinctive double sawtooth roo... More