St Machraeth's Church has been entirely rebuilt in modern times.
It has a structurally undivided nave and chancel with a western bellcote and southern porch. It has single and two-light lancet style windows.

At the western end is a monument to Anne Nanney, who died in 1729. It is an early work of Henry Cheere and shows a billowing marble drape on which putti hold up the lady's portrait bust in an oval frame. Derived, via the Hewer memorial in Clapham, from Bernini's Maria Raggi memorial of 1643 in Santa Maria sopra Minerva, Rome.

Source: Haslam, Orbach and Voelcker (2009), The Buildings of Wales: Gwynedd. Pevsner Architectural Guide, page 638.

RCAHMW, October 2009.