Description of 17 Grosvenor Street
17 Grosvenor Street is a building in Mayfair, London W1.
2016 October - Planning permission granted for:
Demolition of existing fourth floor mansard to the rear and existing lift overrun, removal of existing roof lights, and erection of a roof extension at fourth and fifth floor levels with lift overrun, extension of rear external concrete stairwell to the proposed fifth floor level in connection with existing office use. Westminster City Council ref no 16/06280/FULL.