Villa in Potsdam
Construction of a new family home
Address: Wilhelmshorst, Germany
GFA: 474 sqm
Completion: June 2015
Architect: Sergei Tchoban, Tchoban Voss Architekten
Project partner and project leader: Philipp Bauer
Team: Katja Fuks, Anja Koch, Priska-Magdalena Schwalke
Landscape Architect: Henningsen Landschaftsarchitekten BDLA
Structural engineering: Papenfuss & Piechottka
Building equipment: BLS Energieplan
Photographer: Martin Tervoort
This spacious private residence is located on a small clearing on the backside of the elongated estate in Wilhelmshorst near Potsdam. The quiet location and a big stock of preserved trees define the surrounding of the place. The flat roof and spatially pleasant terrace on the upper floor accentuate the outer appearance of the two-story building. On the south side the wide cantilever creates a framed areaway, which can be used for multiple purposes and visually resembles a passé partout. The overlapping of both floors lies only by 70 m2. A flat, cube-shaped two-car garage is located in the front area of the property.
The context of the surrounded buildings continues to appear on the structure of the villa including red brick as well as silver elements on the upper floor. Even to the ground, the massive base has been covered with red brick and on the south side his facade is covered with wide glass panes. The upper floor is storey-high glazed and offers the residents an unrestricted view of the forest and the garden with its old and new stock of trees.
The ground floor accommodates living and dining room, kitchen, study, wardrobe, guest bathroom and utility room. A fireplace completes this homely atmosphere. The upper floor comprises three bedrooms, each with its own private bathroom and a closet. A staircase leads to the almost 90 m2 terrace. Spa and fitness area are located on the ground floor. The spiral staircase is wrapped around as it defines a continuity of interior spaces and the patio and flows between the floors through the high spaces as a binding element. Further emphasized and expressed is the interior design, which is light and rather reserved focusing only on striking details.
The building has a jointless bearing rigid bottom slab of reinforced concrete with a continuous thickness of 60 cm. The basement storey is designed as a „black tank“. Smooth ceilings of the ground floor and upper floor are formed out of reinforced concrete as well as the bearing walls in the basement storey and in the ground floor. Quite remarkable is the vastly cantilevered upper floor, which is a framework construction with rolled steel sections. The architects used two bridge girders as bearer, which are supported on the RC exterior wall below the cantilever. In this way the tension forces from the outstanding storey part are passed through over two tension ties to the floor slab. Exactly below the cantilever the floor slab protrudes ca. 1.5 m beyond the basement perimeter, in order to transfer the forces into the building ground. The bridge girders bear circumferential spandrel beams and lintels with a height of 60 cm each. A trapezoidal sheet steel with upper concrete layer serves as a floor disk.
Tchoban Voss Architekten, led by partners Sergei Tchoban (Berlin) and Ekkehard Voss (Hamburg, Dresden), currently have construction projects all over Germany and in Russia. The office plan, develop and build for both regional and international clients, in public and private sector. In addition to residential and business buildings, the architects focus on planning hotels, trade facilities, office complexes, leisure time facilities, schools, educational and social facilities, as well as reconstructions and revitalizations of historical monuments. Tchoban Voss Architekten have been providing all kinds of architectural services − from interior architecture to general planning − ever since we went into business.
Sergei Tchoban, born in Saint Petersburg, Russia studied architecture at the Russian Academy of Arts in Saint Petersburg. He is leading partner of Tchoban Voss Architekten, Berlin as well as director of the architectural studio SPEECH in Moscow.
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