Pen-Rhiw Unitarian Chapel was built in [or converted] in 1777 and moved to the Welsh Folk Museum in 1956. This chapel is built in the Simple Gothic style with two storeys, a long-wall entry plan and a gallery on three sides. The chapel has whitewashed stone rubble walls with a slate gabled roof. Pen-Rhiw is Grade 2 Listed as one of the earliest exhibits of the now National Museum of Wales.

RCAHMW, May 2011