Despite financial support from the Lord Rhys, poverty within the area and a costly dispute with Whitland Abbey meant the original plans for Talley had to be downgraded.
Er gwaethaf cefnogaeth ariannol yr Arglwydd Rhys, golygodd tlodi’r ardal ac anghydfod costus ag Abaty Hendy-gwyn ar Daf bod yn rhaid israddio'r cynlluniau gwreiddiol ar gyfer Talyllychau.