Roath contains the Church of Saint Margaret of Antioch, built in 1870 on the site of an earlier Norman chapel and the new Gothic revival church. Designed by Llandaff architect John Prichard on a Greek Cross plan, the latter was financed totally by the third Marquess of Bute, in spite of his conversion to Catholicism in 1868. Inside is an opulent mausoleum housing tombs of nine members of the Bute family, including the First Marquess and his wives. The tower of St Margaret's was finally completed in 1926.