New residential buildings in flooded areas Germany 2000-2021
hazard class 1, which meant they were not in danger of flooding based on data available at the time.
2021 was the year of the flood disaster in the German Ahrtal region. That year the share of new residential buildings was 1.4 percent among all new construction in flooded areas, with 1,420 buildings completed. The majority of addresses in Germany were classified as