28 Grosvenor Street Mayfair W1K Timeline News and progress updates from 28 Grosvenor Street new development in Mayfair W1K Post a new milestone Office building for sale 28 Grosvenor Street office building in Mayfair, London W1, is for sale.The building designed by C.W. Stephens (Harrods, Claridge's) comprises 5,751 sq ft (NIA) of office... 26/04/2024 by Buildington