Cassion Castle Architects are an award-winning architecture practice, based in London. Founded in 2006 and led by Cassion Castle, they are dedicated to the creation of well-crafted, high-quality, and thoroughly considered designs. Their understated buildings and spaces can be found in a range of locations, from small urban plots to rural green-field sites.

Emphasis is always placed on thoughtful design and craftsmanship. The studio aim to use natural, honest, and textural materials – wood, stone, metal, concrete – transcending trends, in order to create timeless and elegant design. They believe that good design can radically enhance the ability of their clients to carry out their everyday activities.

Cassion Castle Architects are unusual in that they are also building contractors, so can provide a complete design and build service from inception to completion. They have successfully provided this combined service for over twenty years and have amassed a wealth of experience working on projects in many different sectors and on many different scales. This seamless and collaborative approach eliminates many of the complications and delays that can occur in a traditional architect / builder relationships.