Fraser Bond are the leading lettings and property management agents for 20 Carlton House Terrace - London SW1Y. 20 Carlton House Terrace is a mixed-use building in St James's, London SW1. The existing 8-storey office building over a 4-storey basement car park is being redeveloped by Clivedale. The scheme will enhance the 1970s St James's building by three additional floors and offering a total of 162,000 sq ft of commercial space across 11 storeys. The building is currently occupied by Anglo American Plc. Immediately adjacent to the application site is 24 Carlton House Terrace which faces Waterloo Gardens.