The Wharf (or Walton House) and Mill House are two Grade II listed houses in Church Street, Sutton Courtenay, Oxfordshire, England.^[1] They are part of a group of buildings purchased by the former Prime Minister of the United Kingdom H. H. Asquith, and were his country home until his death.^[2]

The Wharf dates from the early 19th-century, and was reconstructed by Walter Cave from 1912^[1] as a weekend retreat for the Asquiths. It is a two storey red brick building built with Flemish bond bricks.^[1] At the time the Asquiths lived there, and until a county reorganisation in 1974, Sutton Courtenay was located in Berkshire. In 2006, Mill House was bought by Asquith's great-granddaughter, the actress Helena Bonham Carter and her then partner, the director Tim Burton.^[3]

Asquith's grandson, Mark Bonham Carter, described the house in his Introduction to Margot Asquith's autobiography, republished in 1962. "It was an unattractive house and did not escape the vulgarity which hangs around the Thames Valley."^[4]