Coordinates: Sunninghill Park is a country house and estate of some 665 acres (2.69 km2; 1.039 sq mi), located north of Cheapside, in the civil parishes of Sunninghill and Ascot and Winkfield, adjoining the south-western boundary of Windsor Great Park in the English county of Berkshire. It was the official residence of the Duke of York from 1990 until 2004.
Sunninghill Park was originally part of Windsor Forest until 1630 when King Charles I granted it to Thomas Carey. In circa 1633, it was purchased by Sir Thomas Draper and sold in 1769 by his great grandson, Thomas Draper Baber, to Jeremiah Crutchley, whose family owned it until perhaps the death of Percy Edward Crutchley in 1940. (Crutchley's maternal grandparents were the owners of Eldon House in London, Ontario).  The first significant house was built on the estate in the late Georgian period in the early 19th century, being a stucco building of two stories with later additions.
It served as the headquarters of the American Ninth Air Force from November 1943 to September 1944. The Crown Estate Commissioners purchased the property in 1945, from the late Philip Hill[disambiguation needed]. The main house was made available to Princess Elizabeth (later Queen Elizabeth II) and her future husband Philip, Duke of Edinburgh, for after their marriage in November 1947, but the house burned down on 30 August 1947 before they could occupy it, so they rented Windlesham Moor instead. In the mid-1960s the site was considered for a new home for Princess Margaret, Countess of Snowdon, but this did not happen.
In 1986 the walled garden of some 5 acres (20,000 m2; 220,000 sq ft) was purchased from the Crown Estate Commissioners on behalf of Queen Elizabeth II. The following year construction began on a two-storey red brick house to be the home of the Duke and Duchess of York. The architect responsible was Sir James Dunbar-Nasmith, Balmoral Estate Architect and Professor and Head of the Department of Architecture at Heriot-Watt University. Construction was completed in 1990.
The house had six reception rooms, 12 bedrooms, and 12 bathrooms, and compared in size to the larger country houses built since the Second World War. Sunninghill Park was the first newly built royal home since Bagshot Park which was built in 1879 for the Duke of Connaught. In the British tabloid press the home was often referred to as 'SouthYork' a play on words for the 'Southfork' estate on the popular 1980s soap opera Dallas, and was also "mocked for its resemblance to a Tesco-style supermarket".
Following the death of Queen Elizabeth The Queen Mother in 2002, it was announced that the Duke of York was planning to move out of Sunninghill Park and into Royal Lodge, Windsor, the Queen Mother's former residence. The Duke of York and his former wife shared the family's home until 2004 when he moved to the Royal Lodge, the refurbishment of which was funded by taking out a mortgage on Sunninghill Park. The Duchess of York moved out in 2006. HM Land Registry records show that the house was sold for £15 million in 2007, £3 million over the asking price, to an offshore trust in the British Virgin Islands. Kenes Rakishev, a 29-year- old Kazakhstan businessman who called himself a 'friend' of Prince Andrew, has admitted negotiating the deal with the help of his father-in-law Imangali Tasmagambetov, the mayor of Astana; but insisted neither of them was the owner. Later the msyterious owner turned out to be Timur Kulibayev, the billionaire son-in-law of the Kazakh president, Nursultan Nazarbayev. Kulibayev acknowledged ownership only after a newspaper investigation revealed he had used offshore companies to make the purchase.
On 24 February 2009, the Daily Mail newspaper reported that the house has been allowed to fall into an increasingly derelict state. In July 2009, Bracknell Forest Borough Council were said to be considering seizing the property under the Housing Act 2004 and using it as a homeless shelter, following several reported break-ins. In 2014 photos proved that the former royal home became seriously dilapidated, and in 2013 the owner was granted planning permission to replace it with a larger house. The demolition was postponed when it was discovered that at least 100 bats were living under its roof.
In the end Sunninghill Park was razed by bulldozers in October 2015.
- Ditchfield, P. H. and Page, William, eds. (1923). "Sunninghill". A History of the County of Berkshire: Volume 3. pp. 134–136.
- "Surrey home for princess". The Canberra Times. 8 January 1948. p. 1. Retrieved 4 July 2010.
- Prince Andrew's £15million former royal residence could be seized and used for the homeless Daily Mirror
- Foggo, Daniel; Swinford, Steven (27 July 2008). "Prince Andrew, his £15m home and the Kazakhstan connection". The Sunday Times (London). Retrieved 4 July 2010.
- "Will of Queen Elizabeth The Queen Mother". The Royal Household. 17 May 2002. Retrieved 4 July 2010.
- Kay, Richard (10 August 2004). "Mortgage misery for Andrew". Daily Mail (London). Retrieved 4 July 2010.
- Bates, Stephen (1 March 2009). "From royal fairytale to crumbling eyesore: the mystery of Prince Andrew's old home". The Guardian (London). Retrieved 4 July 2010.
- Mendick, Robert; Alderson, Andrew (30 May 2010). "Prince Andrew and the Kazakhstan connection". Daily Telegraph (London). Retrieved 4 July 2010.
- English, Rebecca (24 February 2009). "The fall of the house of York: why has the mansion sold by Duke in mystery £15m deal gone to ruin?". The Daily Mail (London). Retrieved 4 July 2010.
- Boniface, Susie (19 July 2009). "Exclusive: Prince Andrew's £15 million former royal residence could be seized and used for the homeless". Daily Mirror. Retrieved 4 July 2010.