The village of Llanengan stands 1.2 mi (1.9 km) south-west of Abersoch just inland from the southern coast of the Llŷn Peninsula.

[3] The church was on the pilgrimage route to St Mary's Abbey on Bardsey Island.

[4] The building material is local rubble,[2] while the roofs are modern slate replacements.

The Royal Commission on the Ancient and Historical Monuments of Wales (RCAHMW) records the two "outstanding medieval screens dating from around 1530".

[2] The lychgate, a secondary gate and its wall, and two graves enclosed with railings are all listed at Grade II.