Trewin Design Architects is an architectural practice with over 50 years’ experience delivering thoughtful, sustainable design across South West England. From bespoke homes to large-scale housing and urban design, we apply the same care and creativity to every project. Working across private and public sectors, our team of Chartered Architects and Certified Passivhaus Designers creates architecture that is responsive, responsible, and enriching — for people, communities, and the planet alike.