In 1837 their son, John George, employed Anthony Salvin to extend the house, adding an attic storey, a porch, an extension to the north,[1] and a billiard room.

On his death, his nephew sold the property to Lord Halifax, Foreign Secretary at the time of the Appeasement crisis who owned it until 1938.

[7] Carr incorporated the original early 18th century house into his rebuilding, using it as the central block of his two-storeyed, 11-bay reconstruction.

[5] Ruth Harman, in the 2017 revision to Pevsner's Yorkshire West Riding: Sheffield and the South describes the drawing room as "one of Carr's finest spaces".

[1] The architectural historian Jill Allibone noted the Victorian extensions to the hall carried out for Colonel John George Smyth in 1837–1845.