Capel Bettws was a chapelry of Llanspyddid, mentioned in 1547. Repairs are recorded in 1788 and 1789. It was restored and extended in 1835 and almost entirely rebuilt in 1864-5, the architect being George Gilbert Scott.
The present church comprises a nave, an apse-ended chancel and a round western tower. An organ chamber and vestry are attached on the south. The walls are of stone rubble under plain tiled roofs. The architectural details and fittings are gothic.

Source: CADW Listed Buildings Database (6779)

RCAHMW, January 2011