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) £496,169 in 1829 the actual cost was £613,269 and the building was still unfinished. This controversy ensured that Nash would not receive any more official commissions nor would he be awarded the Knighthood that other contemporary architects such as Jeffry Wyattville, John Soane and Robert Smirke received. Nash retired to the Isle of Wight to his home, East Cowes Castle. On 28 March 1835 Nash was described as "very poorly and faint". This was the beginning of the end. On 1 May Nash's solicitor John Wittet Lyon was summonsed to East Cowes Castle to finalise his will. By 6 May