 The oldest parts of the church are the arcades of the nave and the arch over the chancel.In 1943, the original medieval font was rediscovered buried underneath the porch and reinstalled for use in the church.The church was granted Grade I listed status in 1955 for being "...a very fine medieval church with interesting Victorian alterations, and for its historic connection with the Bishops of Llandaff and their nearby Mathern Palace."