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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

H27D in Constance, Germany by Kraus & Schönberg Architects

 
July 11th, 2012 by Sumit Singhal

Article source: Kraus & Schönberg Architects

The historic city centre of Constance is characterized by its compactness and homogeneity. The project incorporates the historical formation of the surrounding buildings with its 30m long plots and projects this format into the 10m wide front.

The mixed use building completes the city block towards the high street; the courtyard provides daylight from the south where an arcade offers flexible external areas within the otherwise dense historic city centre.

Street View

  • Architects: Kraus & Schönberg Architects
  • Project: H27D
  • Location: Constance, Germany
  • Type: Mixed use building
  • Client:Private
  • Date: 2008 – 2011
  • Area: 930m2
  • Value: 1,5 mio. €
  • Statik: Fischer & Leisering
  • M&E: Greiner Engineering

Facade

The main elevation responds to the punctuated façades of the neighbouring medieval buildings and the directional change of those. An intersection of these two directions emphasizes the perspective in a sculptural manner. A grid of horizontal and vertical concrete columns are spatially distorted thus reinforcing the depth of the façade.

Facade

Zero waste

The building is constructed of lightweight fair faced concrete. The material can be seen everywhere thus giving an impression of a fluid transition between outside and inside.

The solid 50cm thick walls are entirely constructed of lightweight concrete, avoiding the use of additional thermal insulation or membranes. They reflect medieval techniques of building solid walls which perform as a weather membrane and thermal mass storage by using a mesh of timber, straw and clay. The lightweight concrete wall performs in a similar way and can be easily demolished. The material is completely recyclable and achieves zero waste requirements.

Front elevation

The building extends along the party wall of the 30m deep site where an elongated area in the middle connects the front and the rear of the building. A vis-à-vis situation is created within each apartment.

The staircase forms the only communal area of the building. The open stair and landings invite the residents to meet. The expressive surfaces mediate between public and private areas, the three dimensional external facade and the plain and open internal spaces.

Shop front

Street entrance

Staircase

Staircase

Courtyard

Interior view

View towards the rear

Front with view towards the rear

Front part seen from the rear

Dining area

Diagram

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Categories: Building, City Center

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