(1977–99), John McGreal (1999–2011), Matthew Martin (2011-2017) and Ben Bloor (2017 - current). The organ of 45 stops, 3 manuals and pedals, built by J. W. Walker & Sons Ltd, 1952–54, to the specification of Ralph Downes, was the first church organ in London to be built on neo-classical lines, and is considered one of the finest British organs built since World War II. References External links Junior Choir website London Oratory School Schola website Churches completed in 1884 19th-century Roman Catholic church buildings in the United Kingdom Grade II* listed churches in London Brompton Oratory Grade II* listed buildings in the Royal Borough of Kensington and Chelsea Grade II* listed Roman Catholic churches in England Roman Catholic churches in the Royal Borough of Kensington and Chelsea Church buildings with domes Knightsbridge Churches in the Roman Catholic Diocese of Westminster