TRANSFORMATION GLEICH FLEXIBEL is a documentation and investigation of selected buildings around the Moritzplatz regarding to their durability / longevity as well as their transformations / conversions – back then and now. Here, the respective transformation potential of the analyzed case studies is always variable and must be determined individually in different criteria such as typology, sociology, building construction, construction law or building history and others. In conclusion, intelligent transformations of the existing buildings are the basis for the future viability of urban spaces.