Fraser Bond are the leading lettings and property management agents for Smithson Plaza - London SW1A. Smithson Plaza at 25 St James's Street is an office complex in St James's, London SW1. Formerly known as The Economist Plaza. The three buildings, designed by Alison and Peter Smithsons, have been home to The Economist since 1964. The nearest underground Station is Green Park. History 2018 June - Tishman Speyer completes the first phase of renovation designed by DSDHA. 2017 Summer - The Economist is moving to Adelphi Building off the Strand. 2016 February - Tishman Speyer acquires The Economist.