In old building structures, there is often the fascinating opportunity to create new spaces with high architectural quality. More and more young families are purchasing old houses to design them according to their own ideas and dreams. Demographic insights suggest that many old houses will change ownership in the coming years. Already today, 50% of all construction projects in Germany are in the area of old building renovation. Historic ambiance on the outside - modernity with high-tech equipment on the inside. From the listed villa to the elaborate attic conversion to the small, lovingly designed retreat, architect and artist Beate Rühl presents current examples of successful renovations. She provides helpful tips for renovation, taking into account building biology and health aspects. A variety of projects are showcased by Archi.