Foel-y-ddinas is a former cottage and agricultural barn located at Moel Ddinas, Rhosygwalia. The building was constructed from small blocks of rubble fieldstone and included a large fireplace and evidence of a first floor, whilst the wooden roof trusses suggested an 18th century date or earlier.
Reference: report of a photographic survey conducted by Gwynedd Archaeological Trust in 2023.
RCAHMW, 2023.