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) 11 July 1835 for £1,061. His books, medals, drawings and engravings were bought by a bookseller named Evans for £1,423 on 15 July. The Castle itself was sold for a reported figure of £20,000 to Henry Boyle, 3rd Earl of Shannon within the year. Nash's widow retired to a property Nash had bequeathed to her in Hampstead where she lived until her death in 1851; she was buried with her husband on the Isle of Wight. Nash had many pupils and assistants including Decimus Burton, Humphry Repton's sons, John Adey Repton and George Stanley Repton, as well as Anthony Salvin,