Place From 1689
Royal Parks say: "William III bought what was originally part of Hyde Park in 1689. An asthma sufferer, the king found the location quiet and the air salubrious and so he commissioned Sir Christopher Wren to design the redbrick building that is Kensington Palace. Queen Anne enlarged the Palace Gardens by 'transferring' 30 acres from Hyde Park and was responsible for the creation of the Orangery in 1704."
Queen Caroline extended the Gardens even further into Hyde Park.