Berlin's Wannsee Station, with Its Dome Hall and Ceramic Snail, Set for Renovation — but Not Before 2030

Bahnhof Wannsee in Berlin's southwestern Steglitz-Zehlendorf district is one of the city's most architecturally distinctive stations, built in 1928 in expressionist brick style. Its celebrated features include a nearly 12-metre-high octagonal dome hall with a mint-green painted interior, pentagonal windows, and decorative architectural ceramics above the main entrance depicting a child riding a snail. The station also features a 31-metre mosaic titled "Wir sind Berliner" by artist Christoph Niemann, added in 2022. Around 38,000 passengers use the station each day — comparable in volume to Wiesbaden's main station. Deutsche Bahn has now announced a comprehensive restoration covering stairs, windows, entrance doors, wall and floor surfaces, old ticket counters, and a new elevator connecting the entrance hall to the platforms. The work cannot begin before 2030 and depends on how much federal funding is made available. Planning is under way, but no firm schedule has been set. DB InfraGO's Daniela Schäfer, who leads construction management for the eastern region, confirmed the project is now progressing. The station serves S-Bahn lines S1 and S7, along with regional trains including the RE1 and RE7. DB has previously announced renovations that never materialised, but improved access to federal funds has raised prospects for this latest effort.