102 Petty France is an office block on Petty France in Westminster, London, overlooking St. James's Park, which was designed by Fitzroy Robinson & Partners, with Sir Basil Spence and completed in 1976. It was well known as the main location for the UK Home Office between 1978 and 2004 when it was known as 50 Queen Anne's Gate and now houses the Ministry of Justice. The building is high, with 14 floors providing of office space.