 7, 1821–44), Benjamin Disraeli until his death in 1881, Lord Macartney until his death in 1806, Member of Parliament George Selwyn in 1776, Prince Pierre Soltykoff and Earl Percy.Leconfield House, at the corner of South Audley Street with an address on Curzon Street, became the home of the UK security service (known as MI5) in 1945, and remained so until 1976.In May 2020, Robert Tchenguiz submitted plans to Westminster City Council to convert the building into a 65-bedroom private members' hotel.