12627 Berlin: (not realized). 33 architectural firms from Germany, the Netherlands and Switzerland, among others, presented the design of WerkBundStadt Berlin. The plan was to build 1,100 new apartments in 38 buildings on 2.8 hectares of land. A critique of it in the deutsche bauzeitung (db) recalls the historical heritage in which the project stands: "It is laudable that the Deutscher Werkbund is speaking out with a contribution. After all, it is precisely the Werkbund housing estates from Stuttgart to Breslau, Prague, Vienna and Zurich that stand for the experimental living worlds of modernism.
Dekade: Not realized
28357 Bremen-Hollerland: 200 units (not realised); model photos, well-analysed study on the failure of the project. The most important reasons: "too sterile architecture; too expensive although low-cost construction was promised; too far outside the city; the fact that the city railway was not routed to the new district after all; generally poor construction activity; major employer in Bremen went bankrupt." However, the Hollerland project caused a lot of media hype and is regarded as a model for many other projects that have since been realised, such as "Bremen-Grünenstrasse", although not on the outskirts of the city but in the city centre.
61440 Oberursel3 new office buildings, 18 new residential buildings, GFZ: 1.06; The largest PlusEnergy quarter could have been built in Oberursel near Frankfurt with around 150 apartments and commercial use in 3 office buildings and 18 residential buildings as new buildings.
68259 Mannheim-Wallstadt-North: 26 hectares, 850 residential units. The primary goal was to create a settlement area that fulfils the elementary human desire for a stylish, natural living culture. This goal is achieved through an environmental concept that includes, for example, green spaces, wetland biotopes and ponds.
76187 Karlsruhe-Nordweststadt: the design was planned for an undeveloped plot of land as a student research project at the University of Karlsruhe in cooperation with the association ASKA e.V., but was not realized. Concept: 140 units, photovoltaic and biomass CHP, business and office facilities, community facilities, gastronomy, car sharing tower, reed sewage treatment plant, board stack wood construction, hemp, flax or cellulose insulation, social settlement concept, integrated living. Completion: not realized