1785
Wildman purchased the lease on 16 Bedford Square in 1785: he 'may have' engaged Sir John Soane to make alterations.
http://www.twickenham-museum.org.uk/detail.php?aid=268&cid=16&ctid=1
Please note that address locations are approximate. For many claimants, the addresses are only given to the nearest town or borough. Where a full street address is provided, the address has been located as nearly as possible, but street layouts and numbering have often changed since the 19th century.