D - Frankfurt a.M. Ginnheim: The 342 existing apartments in the 19 three-storey row buildings will be renovated to improve energy efficiency (insulation and new windows) and two storeys will be added. A total of around 680 new, mainly smaller apartments are being created. 300 apartments are being built in 15 new buildings in so-called gate and bridge houses. Architecture: Stefan Forster (Frankfurt). Construction began in 2017. Completion of the storeys: End of 2019. Completion of the new buildings (post-densification): 2023.