Thatched House Lodge is a Grade II-listed building, dating from the 17th century, in Richmond Park in the London Borough of Richmond upon Thames in London, England. It was the home of British prime minister Sir Robert Walpole and, since 1963, has been a royal residence, being leased from the Crown Estate by Princess Alexandra, The Honourable Lady Ogilvy (born Princess Alexandra of Kent), and, until his death in 2004, her husband, Sir Angus Ogilvy.