12 Devonshire Street, London W1G 7AB
For over 65 years, Donald Insall Associates has shaped how the world views heritage.
From restoring listed country manors, to extending rural family homes, the company believes that heritage is not just to be protected but understood, cared for, and shaped for the future. They We take a considered approach, balancing tradition and transformation to help the historic environment remain purposeful and resilient.
Sustainability is fundamental to this process — guiding how Donald Insall Associates conserves, adapts and reimagines heritage to meet the needs of tomorrow. Every intervention is informed by deep expertise, commercial awareness, and a commitment to meaningful change — ensuring the past continues to enrich contemporary life.
As an employee-owned practice with national reach, they offer expertise in conservation, heritage consultancy, new design in historic settings, and townscape advice. The firm's experts see the full picture — materials, history, evolving policy — bringing insight and precision to every project.
Donald Insall Associates' collaborative approach bridges architecture, design, and heritage consultancy — uniting deep knowledge and a shared vision to create solutions that serve clients, partners, and communities.