The final episode picks up the story in 1952 – at which point Sandringham House had been owned by the royal family for 90 years. During that time it had expanded into a truly enormous home with 364 rooms, including a bachelor's wing and stunning ballroom. But tragedy was about to strike… Nigel reveals that, on February 6th, 56-year-old King George VI died suddenly in his sleep at Sandringham House.