Fraser Bond are the leading lettings and property management agents for Knightsbridge Gate - London SW1X. 55-91 Knightsbridge is a mixed-use development in Knightsbridge, London SW1. The Grade II listed building is redeveloped, with the 120m long façade, dating back to 1905, retained. The combination of new and refurbished spaces will provide 7,800m2 residential, 3,400m2 retail on street level and 3,100m2 office space. New Homes The development will offer 15 apartments featuring cascading south facing roof terraces. Interior design by msmr. History The existing building from 1905 with a facade over.