Fraser Bond are the leading lettings and property management agents for 20 Cabot Square - London E14. 20 Cabot Square is a 17-storey office building in Canary Wharf, London E14. 20 Cabot Square/10 South Colonnade is a 25-year-old air-conditioned office building situated to the south west of the main tower and Canary Wharf Docklands Light Railway (DLR) station. Office accommodation is spread over 11 floors with a mezzanine and basement. 2018 - The Government Property Unit relocate from Whitehall into 20 Cabot Square. The building will be home to around 5,700 civil and public servants by the end.