It has several attractive stained-glass windows, the feature window 1880 is named Scenes from the New Testament with the Twelve Apostles.
Felly dim ond awgrymu’r mawredd y tu mewn y mae’r porthdy ar y Stryd Fawr, wrth ichi ddringo cyfres o derasau i archwilio 17 o ystafelloedd trawiadol.