The Llandaff Oratory
The Llandaff Oratory – this Roman Catholic church, the only one in the world which is privately owned. It is claimed to be smallest church in the world. It was built by Maynard Matthew as a memorial to his son Llandaff, who lost his life tragically in an accident down a coal mine on 19th March 1925. He wished to place a plaque in a Catholic church but was denied him, hence building this church himself.