About the practice

James Williamson Architects is a RIBA Chartered practice based in Surrey, specialising in residential extensions, renovations and new homes. We help homeowners unlock the potential of their property while navigating the complexities of planning permission, design and construction. Our work focuses on creating well-considered, light-filled homes that support modern family life. We take a collaborative and structured approach, guiding clients from early feasibility and planning through to construction, helping them make confident decisions and avoid costly mistakes along the way. Whether reconfiguring an existing house or designing a new home, our aim is simple: to create spaces that are practical, enduring and enjoyable to live in.