Interior
Within porch are two fine C14 Decorated style niches, one each side of the inner door, with trefoiled arches and ogee heads. Arch-braced nave roof and scissor truss chancel roof, of 1860s. Fine tall chancel arch with three groups of small filleted and keel-shaped roll mouldings. The capitals were destroyed in 1840. Sedilia of the C14 with ogee arches on hexagonal shafts with circular bases. Piscina adjoining with ballflower decoration and crocketted ogee surround. Two arches to added S aisle from the nave, one from the chancel. The nave arcades rebuilt in 1860s but in respond of E arch is Tudor-arched squint with carved bowl, possibly a stoup, beneath carved on underside with a Tudor rose. Tudor arch between chancel and aisle.
Fittings: C12 font much retooled, low square bowl with angled corners, on octagonal shaft. Bath stone pulpit, 1860s, with quatrefoils. Stations of the Cross, 1895 from Munich. Gothic porch screen 1903 by H.J.P. Thomas of Haverfordwest, who also designed the Lady Chapel screen in 1909. Organ of 1704 by Father Smith originally at St David's Cathedral moved in 1881 without 5 ranks of pipes, used in the new Father Willis organ at St David's. Moved 1909 from S aisle to W end. Plain open pews.
Stained glass. E window c. 1880. Christ with SS Martin & David. S aisle window 1893 by C. G. Gray of Cambridge to Rev H. Leeds. Gray was a wall-painting specialist and frescoes he added in 1895 are now gone. S aisle second window 1940 by C.C. Powell, of the Annunciation. S aisle third window 1909 by Heaton, Butler and Bayne; S aisle E window, 1921, by Morris & Co, SS Mary Magdalene, Mary, Christ and St John, to designs made in the late C19 by Sir Edward Burne-Jones. W window by Celtic Studios 1988. Late C20 patterned glass in two nave N windows and N lean-to N window.
Memorials: Thomas Lloyd of Danyrallt died 1722: open-pedimented small tablet with shield. Rev. J. Rees, died 1835 and Frances Thompson died 1842, plain tablets by J. Thomas of Haverfordwest.
Sculpture: C13 or C14 coffin-lid with foliated Latin cross. Concrete and glass sculpture of Virgin Mary by Stephen Sykes, 1960s.