Donald Insall Associates: The Latest Architecture and News

On October 11, 2026, Donald Insall Associates announced the passing of its founder, Sir Donald Insall. Describing him as "a man of great tact, charm and humour," the practice recognized his contribution to the structures, institutions, and tools of heritage preservation in England, as well as his practical knowledge and application of the craft of restoration. An architect, conservationist, planning consultant, author, and teacher, he led one of Britain's leading conservation practices for four decades after founding it in 1958. His practice undertook the renovation of William Morris's Kelmscott Manor in Oxfordshire and Robert Adam's Kedleston Hall in Derbyshire, the conservation of Chester's historic center, and the restoration of Windsor Castle following the 1992 fire, among other British landmarks.

Six teams have been shortlisted in a competition to restore and renovate the historic Clandon Park mansion in the county of Surrey, England, after the National Park property received heavy damage from a fire in 2015.

Organized by Malcolm Reading Consultants, the competition tasked teams with restoring and updating the interiors of the 18th-century Palladian house, as well as designing new flexible event spaces and visitor facilities within the existing building footprint.

Following a two year-long bidding process, British-based international practice BDP (Building Design Partnership) have been chosen to restore and safeguard the future of the Palace of Westminster, the seat of the United Kingdom's parliament. Outbidding Foster + Partners, Allies and Morrison, and HOK the project is expected to run into billions of pounds and could see the two chambers—the House of Commons and the House of Lords, plus all ancillary support staff—move out of the iconic building for to a decade.