Tatham died childless in 1775,[3] when the house was sold to Edward Bolton, a Preston lawyer.

When he died childless in 1803, it was inherited by his great nephew, the infant Edward Bolton King,[4] whose trustees sold it to William Lowther, 1st Earl of Lonsdale in 1815.

[6] The 7th Earl of Lonsdale used it as his home after Lowther Castle was dismantled and closed in 1937.

[7] Following the death of the 7th Earl in May 2006 the house has been owned by Caroline, Countess of Lonsdale.

[8] In 2012 the Countess of Lonsdale and her children, Charles Lowther and Marie-Louisa Raeburn, arranged the conversion of Askham Hall into a boutique hotel.