When your daily routine involves a flurry of state visits, ceremonies and public engagements, having a private retreat for Christmas is essential. For the King, Sandringham House in Norfolk serves as the perfect sanctuary . "Sandringham IS Christmas. It holds a very special place in the hearts of the royals," shares Royal commentator Duncan Larcombe. "Cameras are rarely invited in, so it's one of their most private residences. They feel 100% at ease there," reports OK! . Despite boasting an