Description of 73-75 Grosvenor Street
73-75 Grosvenor Street is an office development in Mayfair, London W1.
No.73 and 74 Grosvenor Street are individually listed grade II and No.75 is not listed.
2016 - Planning permission granted for:
Extension to existing office (Class B1) at rear third, fourth and fifth floors including at Grosvenor Hill, erection of mansard roof extension to create new fourth floor to No.74 Grosvenor Street, replacement of facade and installation of balconies at fourth and fifth floors on Grosvenor Hill, installation of plant rooms at roof levels, and terraces and green roofs at fourth floor and fifth floors. New Substation at front lower ground of No.75 Grosvenor Street. Westminster Council ref. no. 06/09731/FULL.
1914 - 75 Grosvenor Street was built by George Trollope and Sons in 1912–14 to the designs of Edmund Wimperis, the estate surveyor, and his partner, William Begg Simpson.
1724 - 73 Grosvenor Street was built 1722-4.
1722- 74 Grosvenor Street completes.
1. English Heritage List Entry Number: 1279421