The German Sustainable Building Council (DGNB) has renovated and expanded its headquarters in Stuttgart. As an organization that sets standards for sustainable building through its certification system, the renovation serves as a case study for applying its own evaluation criteria to existing buildings. Details on the materials used, achieved U-values, or the target certification level are not yet available. The project demonstrates the practical feasibility of sustainability standards in the renovation of existing office buildings.
This article was created with AI assistance and editorially reviewed.
