Fraser Bond are the leading lettings and property management agents for Cavendish Square - London W1G. Cavendish Square is a world-first development blurring the boundaries of medical, retail and commercial space, set underneath Cavendish Square Gardens in Marylebone, London W1. Cavendish Square offers accommodation for Hospitality industry on four levels from 10,000 to 250,000 sq ft with a dedicated entrance to Harley Street. The development has three distinct entrances. Redevelopment of the Qpark Oxford Street car park. You might also be interested in the residential Harcourt House development,.