Phase 2
Phase 2

Star-shaped Archipelago Berlin-Brandenburg

3rd prize


Jordi & Keller Architekten / Pellnitz Architektur und Städtebau
Location: Berlin
Team: M. Eng. Yannick Langer, Dipl.-Ing. Nandor Kovac, Frederic Jordi
Landscape planning: Christina Kautz Landschaftsarchitektur
Other specialist planning: Ludwig Krause (traffic and urban planner)

Sub-area 1: ‘Brandenburg an der Havel’

With the planned construction of the third and fourth railway rings in the metropolitan area, it is conceivable that Brandenburg an der Havel can be densified to accommodate twice its current population. The aim of the urban development plan is to promote closer interconnection between city and nature while considering historical identities. The existing buildings between Neustadt and the railway station are structurally upgraded by closing the blocks. The structures within the blocks are largely preserved. Potential development areas are located southwest of the station and in the west of the old town up to the railway line. In addition, south of the station, along the Jakobsgraben canal, the existing buildings, which have a more open composition, are densified with street-fronting buildings. When viewed from above, the expanded block structure harmonises the urban structure.

Sub-area 2: ‘Westkreuz’

Currently, when various transport systems going in different directions intersect, traffic jams and structural overloads occur, especially at peak times. The AVUS (Automobile Traffic and Practice Road) was the world’s first road created specifically for automobiles and was once an important car-racing circuit. It is redesigned as a boulevard in this concept. The car traffic is redirected underground, and the rail traffic is above ground. The track systems are converted into a green space that connects the nearby Lietzensee Park with Grunewald. The north curve houses a new football stadium, and the urban planning additions adhere to the Charlottenburg block structure. The dominant element is a gate-like situation formed by two highrise buildings with a height of up to 200 metres. A similar ensemble is also to be built at the three other train stations.

Sub-area 3: ‘Berlin-Mitte’

Only a few entries focused on Berlin-Mitte. The centre is roughly based on the historic centre of 1920. Parts of the neighbouring royal city are also enhanced based on the city plan from 1920. The Stralau Vorstadt (Stralau Suburb) is densified along the street with large residential buildings. The concept supports the idea of strengthening the historic centre with historicist architecture and additional cultural facilities. The existing housing will enter into a ‘coalition’ with the reconstructed city plan. Peter Joseph Lenné’s idea of integrating ‘jewelled water axes’ into the city is revisited. The concept proposes extending the waterway from the Engelbecken in Kreuzberg to Volkspark Friedrichshain via Strausberger Platz. The waterway is to be designed on both sides as a green space with avenues and recreational spaces.

Entrant‘s description

Star-shaped Archipelago Berlin-Brandenburg 2070 – Urban Development Concept
Berlin-Brandenburg was formed out of various villages and towns. This development has led to an archipelago of centres, within and beyond Berlin, that are connected by radial axes and circular railway rings. The structure ­within Berlin’s inner railway ring is characterised by green islands in the dense, urban sea of houses; beyond the ring, it is characterised by settlement islands separated by green and natural spaces. Between the radials of the star-shaped structure of Berlin, the large landscape areas protrude far into the centre of the metropolitan region. The star-shaped archipelago, with its dialectic between nature and development, represents the greatest qualities and potentials of the Berlin-Brandenburg metropolitan region. These need to be strengthened and further developed. New building sites and residential areas should be created largely within this structure based on the conversion, consolidation, and modification of existing settlement areas. The current star-shaped structure of the Berlin-Brandenburg metropolitan region is to be expanded and differentiated with the star-shaped archipelago model proposed here. The concept of the star-shaped settlement – especially in conjunction with its visual representation in the Berlin-Brandenburg regional development plan – evokes a sense of unlimited densification within the star-shaped settlement structure. As such, it does not consider the infiltration of urbanised areas into the surrounding nature. The concept of the star-shaped archipelago, which is based on the concept of Berlin as a ‘green archipelago’ and on ideas from the Greater Berlin Competition of 1910, is to pursue this dialectical interpenetration of city and nature as a new model.