Amalgamation of the existing lower and upper-ground flats and adjoining garden areas to form one duplex dwelling, including internal reconfiguration, formation of a new internal stair, incorporation of one existing pavement vault for ancillary plant and storage use, a lower-ground rear infill extension with glazed roof and roof terrace on top, associated external works and installation of an air-source heat pump within the combined rear garden.

90 Tachbrook Street London SW1V 2NB