The Church of the Immaculate Heart of Mary, or as named in its Grade II* architectural listing, The Oratory, is a large neo-classical Roman Catholic church in Brompton, London. It is traditionally known as Brompton Oratory, which distinguishes it as a church rather than its connected clergy and religious community. The church is closely connected with the London Oratory School, a boys' school founded by the priests from London Oratory. Its priests celebrate Mass daily in the two main forms, frequently conduct ceremonies for well-known people, as it works as an extra-parochial church, and two of its three choirs have published physical copy and digital audio albums.SiteThe church is on the A4 where it becomes Brompton Road, next to the Victoria and Albert Museum, where the street briefly becomes Thurloe Place and Cromwell Gardens but after that neighbouring museum the road becomes Cromwell Road which gradually widens via the Hammersmith Flyover into the M4. The A308 road starts opposite the building which takes up the name Brompton Road. It therefore marks an important junction.