 John Prichard, Llandaff's diocesan architect, who also worked on the restoration of Llandaff Cathedral, was heavily involved in the design project, although the building work was superintended by a local architect named John Jones.It replaced the older St Baglan's Church, a pre-Norman building that was largely destroyed by a fire in 1954.The interior uses Quarella stone, Forest of Dean sandstone and "Penarth" alabaster to create a polychromatic effect.