Catholic Church of St Dyfrig

The W doors lead into separate vestibules with niches for stoups. The N vestibule also has a stair to the organ and gallery with plain balusters and newels. The 6-bay nave has a plaster tunnel vault with broad ribs descending to ground level as wall shafts. The arcades have brick piers and plastered round arches. The tall chancel arch is similar, and has an impost band continuous with the clerestory sill bands. The chancel has a stepped marble floor and continuous panelling around the apse. The end bay of the nave has a later screen defining an extension to the vestibule, below the panelled gallery front. The confessional on the S side has ribbed doors, the chapel replaced glazed doors. Fittings include: forward altar with white stone mensa set on red brick uprights with grey banding; brass domed tabernacle on a reconstituted marble plinth with a mosaic symbol of the Eucharist; oak pulpit (original) decorated with foliage and crosses; Italo-Byzantine sanctuary crucifix by Crabbe with marquetry detail and wooden relief corpus made from one of the pews at the W end; Stations of the Cross, an image of Our Lady of the Valleys (at E end of N aisle) and Baptism of Christ (at E end of S aisle), also by Crabbe; various small stained glass windows. Pews modern replacements, modern hardwood font.

The design is a variation of the basilican theme, combining Romanesque and Italo-Byzantine elements. It is a steel frame structure, brick clad with stone dressings and the slate roof is behind coped gables. At the W end is a 5-bay gabled narthex wider than the nave and with pilaster strips. The central bay has a small round-headed window above a foundation tablet and is flanked by Romanesque doorways, both with nook shafts, roll-moulded arch and outer order of billets. Narrow round-headed windows are in the outer bays. Above the central bay is a polygonal turret with moulded cornice, and a copper dome, at the apex of which and set against the W wall of the nave, is a crucifixion sculpture in stone. The gable ends of the narthex have oculi. The 6-bay nave has shallow aisles with pilaster strips and round-headed windows, while each clerestory bay has 3 stepped round-headed windows with stone surrounds and under a round brick relieving arch. On the S side the 3 eastern bays have a chapel with roughcast walls and a confessional set slightly back, both under catslide roofs and with narrow small-pane windows. The lower and narrower chancel is a polygonal apse with high round-headed windows in each facet. On the S side of the chancel is a vestry, also abutted by the confessional. The brick vestry has projecting boarded eaves, and windows with stone lintels and sills. The E wall has 5 windows, the S wall 3, while the entrance is on the E side, where a boarded door is under an overlight, with a window to the L.