Who We Are
Welcome to Castellum
Founded in 2003, Castellum is an award winning prime construction company offering both a turnkey Design and Build solution and outstanding levels of service as a Main Contractor. We build exceptional homes for discerning clients, architects, and consultants. We also develop and sell our own projects. We cover London and the South Western Home Counties from our head office in Surrey and Gloucestershire, Oxfordshire and Wiltshire from our office in the Cotswolds.