Donald Insall Associates has pioneered a creative approach to architectural conservation for over 65 years. A 140-strong practice of both architects and heritage consultants, it has led nationally significant projects including the revitalisation of Rochdale Town Hall and the decade-long conservation work to Westminster Hall which won the Europa Nostra Award in 2024. The practice currently operates from nine studios across the UK: London, Bath, Birmingham, Cambridge, Chester, Conwy, Manchester, Oxford and York.
Keywords: Architecture, conservation architecture, heritage, architects, heritage consultants, restoration, conservation, refurbishment, retrofit, historic buildings, listed buildings.
Sector: Service with Minor Environmental Footprint
Size: 50-249 employees
B Corp Certified – Impact Score: 87
