Clarence House is a British royal residence on The Mall in the City of Westminster, London. It was built in 1825-1827, adjacent to the royal palace of St James's for the royal, Duke of Clarence, the future king, William IV. Over the years, it has undergone extensive remodelling and reconstruction, most notably after being damaged during the Second World War, and little remains of the original structure as designed by John Nash. It is Grade I listed on the National Heritage List for England. The house is open to visitors for approximately one month each summer, usually in August. The four-storey house is faced in pale stucco.
Clarence House is the official residence of Charles, Prince of Wales, and his wife Camilla, Duchess of Cornwall. Since 2003, the term Clarence House has been used as a metonym for the private office of the Prince of Wales. Clarence House was also the official residence of Prince William from 2003 until April 2011, and of Prince Harry from 2003 until March 2012. From 1953 until 2002, it was home to Queen Elizabeth The Queen Mother, and before her, it was the official home of Princess Elizabeth, the future queen.