Haus S designed by Behnisch Architekten, This private residence was renvisioned to embrace the surrounding woods and tranquil hillside location while offering city views of southern Stuttgart from a new upper floor.

In place of a double-pitched roof, a simple yet structured, open-plan floor is realized atop the house, a building from the 1930s, which had been previously refurbished in 1990.
Photography: David Matthiessen
The architectural idea was to place a deliberately unobtrusive structure upon the existing building. The second-floor addition stands in contrast to the massive lower level without dominating it, creating a focal point for the house via massive glazing, without disturbing views of the surrounding landscape.

The structure?s cantilevers on the south and west sides of the house place emphasis on the new addition and function as dividing elements between the existing structure and new roof system. Simultaneously, they function as canopies, creating covered areas for the garden. The position of the new volume ? the ?glazed box? ? is a response to building regulations and a solution to differentiate each garden on the sides of the building, orienting them toward the sun and views. Photography: David Matthiessen
The location and organization of programming for the two lower floors ? the entry level and a lower level, below ? remain unchanged.

The top floor has its own organization. The approximately 150m² open-plan space is zoned by ?boxes? ? the intimate priv...