The influence of classicism across Wales, encouraged by architects such as John Nash and then promoted by pattern books, helped to ensure a wide take-up of this new style.
Drwy gymorth penseiri fel John Nash a llyfrau patrymau lledaenodd dylanwad clasuriaeth ledled Cymru gan sicrhau bod yr arddull newydd hwn yn cael ei ddefnyddio'n helaeth.