Cypren Edmunds - Chairperson

Cypren, a founder of StrawBale UK, is involved with various sustainable construction organisations. With a diverse background in sports, music, and carpentry, he excels in leadership and project management. Cypren specialises in building partnerships and synthesising information. He chairs StrawBale UK, presides over the European Strawbuilding Association, and is a director for William Morris House.

Simone Cort - Membership Secretary

Simone is a qualified architect with 15 years' experience, now working in administration for education and charity sectors. A long-term Holborn resident, she is passionate about London's buildings, sustainability, and community support. Simone has volunteered for Open House London, contributed to environmental articles, and actively participates in local community initiatives.

John Butler - Director

John is a sustainable building consultant offering practical guidance and research-based advice. He provides Passivhaus planning, carbon calculations, and expertise on low-carbon construction for new and historical buildings. John has contributed to research projects and training programs, including the recent Straw Construction in the UK Technical Guide. He regularly lectures at the Centre for Alternative Technology (CAT) on sustainable construction.

Chris Hawker - Director

Chris is the co-founder of Hawkland, a trailblazing company in natural and sustainable construction. With over 15 years of hands-on experience in almost every type of straw building across the UK and Europe, Chris brings unparalleled expertise to our team. His academic credentials include a Master’s in Advanced Environmental and Energy Studies from CAT. 

Matt Davenport

Matt is a Chartered Architectural Technologist and certified Passivhaus Designer with 20 years of experience. He specialises in technical detailing and has a strong commitment to sustainability, including the use of natural materials such as lime, cellulose, and hemp.