In the 1980s, planners in Teltow began a process of rethinking. Initially, individual objects were listed as historical monuments, and in 1986, parts of the old town were declared area features.
In the 1980s, Teltow's town planners initiated a reevaluation. Initially, individual artifacts were documented as historical treasures, and in 1986, segments of the old town were designated as culturally notable areas.