Buckingham Palace forms the architectural core of the palace was built for the first Duke of Buckingham and Normanby in 1703 to the design of William Winde. The style chosen was of a large, three-floored central block with two smaller flanking service wings. Buckingham House was eventually sold by Buckingham's natural son, Sir Charles Sheffield, in 1761 to George III for £21,000. Sheffield's leasehold on the mulberry garden site, the freehold of which was still owned by the royal family, was due to expire in 1774. Under the new Crown ownership, the building was originally intended as a private retreat for King
John Nash (architect) recriminations, Repton accusing Nash of exploiting their partnership to his own advantage. As Nash developed his architectural practice it became necessary to employ draughtsmen, the first in the early 1790s was Augustus Charles Pugin, then a bit later in 1795 John Adey Repton son of Humphry. In 1796, Nash spent most of his time working in London, this was a prelude to his return to the capital in 1797. In June 1797, he moved into 28 Dover Street, a building of his own design. He built a larger house next door at 29, into which he moved the following year.