John Nash (architect) have great pleasure in visiting this part of my dominions". Whether this was based on just a rumour put about by people who resented Nash's success or if there is substance behind is not known. Further London commissions for Nash followed, including the remodelling of Buckingham House to create Buckingham Palace (1825–1830), and for the Royal Mews (1822–24) and Marble Arch (1828) The arch was originally designed as a triumphal arch to stand at the entrance to Buckingham Palace. It was moved when the east wing of the palace designed by Edward Blore was built, at the request of Queen
John Nash (architect) Carmarthen, to where his mother had retired, her family being from the area. In 1785 he and a local man Samuel Simon Saxon re-roofed the town's church for 600 Guineas. Nash and Saxon seem to have worked as building contractors and suppliers of building materials. Nash's London buildings had been standard Georgian terrace houses, and it was in Wales that he matured as an architect. His first major work in the area was the first of three prisons he would design, Carmarthen 1789–92, this prison was planned by the penal reformer John Howard and Nash developed this into the finished