The local stone was not of sufficient quality to be used for carving details such as windows, however, and accordingly sandstone was brought in from the Creuddyn peninsula, Chester and the Wirral.
De lokale sten var ikke i en god nok kvalitet til at udhugge ting som vinduer, og derfor blev der hentet sandsten fra Creuddynhalvøen, Chester og Wirralhalvøen.