Little George Street is a street in Westminster, London, leading from Great George Street to Little Sanctuary in the vicinity of Parliament Square. [1] It is the street that the Supreme Court of the United Kingdom is based on at the Middlesex Guildhall. [2] Historically it was home to the nearby Sanctuary Tower and Belfry of the nearby Westminster Abbey. [3] The Portman estate in Little George Street was located at the street. [4]