Our clients are retiring to their dream house so they want the specification to be absolutely tailored to their needs. We are excavating a basement under the existing house, adding on rooms and a gym, which is increasing the capital value at the same time. Only the external walls are being kept for planning reasons while the rest of the house is removed. A single storey extension with glass fold back doors brings the garden into the living room. Client: Private Architect: Studio MG Architects Construction cost: £ 1.2m Constuction time: under construction.