Insall was a consequential figure in modern conservation practice; his death invites a considered review of the principles and legacy of heritage-led adaptation.
United Kingdom
About this story
Dezeen reports that architect, author, planning consultant, and conservationist Donald Insall has died aged 100, citing a statement from his practice, Donald Insall Associates. Insall founded the practice and was associated with conservation and renovation work including Windsor Castle. His approach distinguished conservation from static preservation, emphasizing that historic buildings should remain useful. Building Design separately reported that the practice announced his death; an official, directly accessible practice statement was not located in this research run. Treat the obituary’s biographical and project claims as publisher-reported pending primary-source confirmation.
Status and timeline
Dezeen published its obituary on October 13, 2026. The article reports that Donald Insall died aged 100 and that his practice announced his death.
Design highlights
Conservation as an active process that allows historic buildings and places to remain useful, rather than treating preservation as an end in itself.
