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Conservation architect Donald Insall has won this year's Plowden Medal in recognition of his influence on conservation policy and practice. Awarded by the Royal Warrant Holders Association, he will receive the gold medal on 5 June. Insall, who set up Donald Insall Associates in 1958, has conducted conservation work on the Palace of Westminster, Somerset House, London's Mansion House and worked on the post-fire restoration of Windsor Castle. The practice has received more than 90 awards ...

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