Award «best architects 19» Wohnüberbauung Wülflingen, Winterthur 24.06.2018 Award «best architects 19» Wohnüberbauung Wülflingen, Winterthur Boltshauser Architekten were awarded the «best architects 19» label for the Wülflingen residential development. Boltshauser Architekten were awarded the «best architects 19» label for the Wülflingen residential development.