Penllech Methodist Chapel was built in1861 and rebuilt in 1898, in the Later Vernacular style of the gable entry type, to the design of William T. Jones of Llanbedrog. The Royal Commission on the Church of England and Other religious Buildings in Wales and Monmouthshire in 1905 record the chapel as having seating for 160, the schoolroom for 56 with the value of the buildings being £700. There is also an associated chapel house.

RCAHMW, April 2012