
Multifamily Residence in Widnau About the Project The “Openly” multifamily residence in Widnau sets new standards. Built in 2024, the “Openly” multifamily residence in Widnau, St. Gallen, is Europe’s largest hemp-based building and sets groundbreaking standards in sustainable construction. With 19 apartments (8 rental and 11 owner-occupied), the building saves energy through the consistent use of renewable and circular building materials...




