Clarence House St. James's London SW1A 1BA, UK
Clarence House is the official residence of Prince Charles and Lady Camilla, the Duchess of Cornwall. Built in early 19th century, it is located on The Mall. The Mall is the road that goes from Trafalgar Square to Buckingham Palace.
Clarence House is open to public for limited time, usually several weeks at the end of summer. If you would like to visit this royal residence, make sure to plan ahead and buy tickets online in advance.