Designed by John Christophers of Associated Architects as a family home this house is a winner of RIBA award for architectural excellence in 2010. It’s an unique zero carbon project located in inner city Birmingham, UK. The new house has been built around an existing early Victorian two-bedroom semi-detached house, produces as much energy as it consumes and is twice bigger than the original one. There are now four bedrooms and a studio loft. The development cost £1,160 per sq m and features more than 14 reclaimed materials as well as integrating sustainable building materials.