Other features outdoors included a children’s play area, tennis courts and a stunning fountain.
Inside the home was complete with a gym, a games room and a library.
Andrew and Sarah spent a large amount of time raising their two children there, Princesses Beatrice and Eugenie.
In ‘The Royal Wives of Windsor’, a documentary released in 2018, royal commentators discussed Sunninghill and the critics perception of the home back in the 1980s.
Penny Junor, a royal biographer, said: “Andrew and Fergie built themselves a very grand house called Sunninghill.