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.
During the 1980s, Teltow's urban planners undertook a review process. At first, specific items were recorded as historic sites, and by 1986, parts of the town's historic district had been recognized as significant locations.