A magazine of the heirs, houses and rituals of modern wealth

Live · No. 19 · The DDW Heirs List

William Cavendish, Earl of Burlington: Net Worth in 2026, and What He Stands to Inherit

Updated 29 Oct 2026
£915m
the Duke of Devonshire and family, Sunday Times Rich List 2026 · Derbyshire Times, 15 May 2026

The Sunday Times Rich List puts the Duke and his family at £915m. The Earl stands to inherit the dukedom; the house and the Derbyshire estates belong to trusts.

Trust chair
The Earl, since 17 Jun 2020Charity Commission
House run by
Chatsworth House Trust, since 1981Chatsworth

Timeline

  1. The 10th Duke dies; 80% death duties follow, and the remaining Derbyshire estates pass to the Chatsworth Settlement trustees. Chatsworth

  2. The 11th Duke sets up Chatsworth House Trust, a charity, which takes over running the house. Chatsworth

  3. Peregrine Cavendish succeeds his father as 12th Duke. Chatsworth

  4. The Earl becomes chair of Chatsworth House Trust. Charity Commission

  5. The Trust announces work has begun on a £7.5m restoration of the Cascade. Chatsworth

Changelog · last reviewed 29 Oct 2026
  1. Became a standing file.