Fraser Bond are the leading lettings and property management agents for 30 St James's Square - London SW1Y. 30 St James's Square is a building in St James's, London SW1. The building is situated on the corner of St James's Square and Pall Mall. Currently the site comprises 21-22 Pall Mall as well. These were linked together by Trehearne Architects in the 1970s. History 2019 - The building is being refurbished by British Grolux Investments. Main Contractor - 21 Construction. Completed in 2020. 21 Pall Mall was built in 1911 commissioned by the car manufacturer Renault as a showroom. The architect was.