St Tysilio's Church consists of nave and chancel in one with a south porch, vestry and an Elizabethan south-east chapel called the Yale Chapel.  It was restored in 1875, and wall paintings of the Royal Arms of George III are recorded.

Sources include:
RCAHMW Wallpaintings database. 2004.09.10/RCAHMW/SLE/ DE/Ecclesiastical/SJ14NW
Richard Suggett, Painted Temples: Wallpaintings and Rood-screens in Welsh Churches, 1200–1800, (RCAHMW 2021).

RCAHMW 2021