Unfortunately, the building was never meant to survive without its roof or windows and centuries of weathering has resulted in extensive erosion and decay of the soft sandstone masonry.
Yn anffodus, nid oedd yr adeilad erioed i fod i oroesi heb ei do na'i ffenestri ac mae canrifoedd o hindreuliad wedi gwneud i waith maen y tywodfeini meddal erydu a phydru.