Holland House, originally known as Cope Castle, was an early Jacobean country house in Kensington, London, situated in a country estate that is now Holland Park. It was built in 1605 by the diplomat Sir Walter Cope. The building later passed by marriage to Henry Rich, 1st Baron Kensington, 1st Earl of Holland, and by descent through the Rich family, then became the property of the Fox family, during which time it became a noted gathering-place for Whigs in the 19th century.