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The two-part five-storey building complex (B1 and B2) is located in Berlin-Johannisthal, not far from Germany's largest technology park and media centre Adlershof. It is based on a maximally flexible space concept. Depending on requirements, the independent building sections can be combined for use by a single tenant. The two Carré buildings are connected by glazed, two-storey bridges on the second and third floors. Both have spacious roof terraces with intensive greenery serving as versatile open-air recreation, communication and work areas. The buildings also enclose striking, green inner courtyards. In addition to a varied façade grid, 20 Loggias create additional openness and further outdoor working and lounging opportunities.
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SQUARE 1 is located in Germany's leading technology and science park and Berlin's largest media location, Adlershof. The optimal infrastructure guarantees the best accessibility by all means of transportation. This is a new development on the site. The overall design aims to create a vibrant and diverse part of the city, a modern, green, urban quarter with a mix of work, commercial and catering uses. The area has excellent connections to the transport network and local public transport. The two-part building complex with five full storeys, connected by glass bridges, is used by Berliner Sparkasse as its headquarters and is located in the immediate vicinity of the listed Schoeneweide railway depot (Bahnbetriebswerk (Bw)) and incorporates parts of the historic railway track.
The façades consists of white, custom-made aluminium elements. A storey-high mullion and transom façade was installed on the ground floor. The façade grid alternates from the first to the third floor. Optical horizontal and vertical contours give the façades a clear structure. Large, six-part panoramic windows on the fourth floor and glass balustrades on windows, terraces and loggias let the building complex appear open and modern and optimise the natural light entering the rooms behind. On the ground floor of B2 there are two passageways to the inner courtyard, one of which has two storeys. The spacious two-storey entrance area in B1 is both inviting and prestigious. All areas of the building complex were designed to be barrier-free. The outdoor areas of the campus create a variety of opportunities for work and recreation. The extensive green spaces act as a connecting element between the buildings and ensure harmony between nature and architecture. The inner courtyards are also landscaped. The buildings are supplied with district heating and are equipped with concrete core activation as well as heating and cooling sails to keep energy consumption as efficient as possible and to create a pleasant indoor climate. The choice of building materials, the technical equipment and the energy concept fulfil the highest ecological and economic standards. The project was awarded gold certification by the German Sustainable Building Council (DGNB).
With Square 1, we are creating an ensemble of over 140,000 sqm that combines innovative working environments with sustainability. The new headquarters for Berliner Sparkasse with its contemporary and progressive architecture is the starting signal of the project.
TCHOBAN VOSS Architekten design, plan and build for national and international clients in the public and private sectors.
The company, with offices in Hamburg, Berlin and Dresden, is named after Sergei Tchoban, architect BDA, and his partner Ekkehard Voss, architect BDA (1963-2024).
With over 150 highly qualified, interdisciplinary employees and many years of experience, it offers architecturally and functionally sustainable solutions for a wide variety of building tasks in Germany and abroad.
In addition to residential and commercial buildings, the firm’s focus includes the planning of hotels, commercial centres, office complexes and industrial facilities, leisure, educational and social facilities, as well as conversions and revitalisations in listed buildings. For these projects, TCHOBAN VOSS Architekten has always taken on all architectural services up to and including general planning.
