102 Petty France is 'Brutalist' architecture, 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; it now houses the Ministry of Justice and Her Majesty's Courts and Tribunals Service