Treuddyn Methodist is a stone chapel built in 1820 the enlarged and refronted in 1867. The present chapel, dated 1867, is built in the Round-Headed style with a gable-entry plan. Its pedimented facade has two tall windows flanked by doorways. Treuddyn is now Grade 2 listed with the adjoining schoolroom of 1885.

RCAHMW, January 2010