Fraser Bond are the leading lettings and property management agents for 33-39 Knightsbridge - London SW1X. 33-39 Knightsbridge is a new mixed-use development in Knightsbridge, London SW1. New apartments and additional hotel rooms for The Berkeley Hotel. Basement construction: Q2 2018 – Q4 2018 Superstructure construction: Q1 2019 – Q1 2020 Fit out: Q2 2020 – Q4 2020 History 2017 July - Planning application submitted for: Demolition and redevelopment of 33-39 Knightsbridge and north (Knightsbridge) wing of Berkeley Hotel to provide buildings of four basements, ground and part nine/part ten upper.