Intended to be the grandest of the period, it was the first large episcopal building designed for Protestant service and a potential replacement for St Asaph Cathedral.
Bwriadwyd iddi fod y crandiaf o’r cyfnod, a hi oedd yr adeilad esgobol mawr cyntaf a ddyluniwyd ar gyfer gwasanaeth Protestannaidd ac i ddisodli Cadeirlan Llanelwy o bosibl.