House S / Roger Christ

© Thomas Herrmann

Architects: Roger Christ
Location: , Germany
Assistants: Ronni Neuber, Julia Url
Structural Engineering: Schmitt + Thielmann und Partner
Project Year: 2011
Project Area: 452 sqm
Photographs: Thomas Herrmann

This specific construction assignment is a central topic of today’s urban development: the roof area as building site which can be covered with independent buildings – urban compression by utilization of roof areas as valuable building land.


Thereby the architect is always confronted with the question of how to handle with the existing building in a contemporary sense. In the case of House S a 60´s bungalow, built by interior architect Wilfried Hilger for himself and his family.

© Thomas Herrmann

Due to space limitations the new owners, a family of four, decided to heightening the existing bungalow and furthermore to renovate the basic structure. To keep the bungalow’s typical character three single boxes were placed on a cantilevered flat roof, which are connected only by a glass corridor.

Floor Plan

The new structure creates zones with different qualities: in the south-west a meadow with a small apple tree, in the north a stone paved courtyard with a pine tree and in the east a roof terrace with a magnolia. In one of the new boxes the master bedroom, dressing room and bath room is located. The two other boxes function as personal living room and home office for the landlords.

© Thomas Herrmann

In the first floor nearly all walls and installations were removed, so that a large living room could be created. An open kitchen was placed in the midst of that living area. This floor additionally includes the children’s rooms with dressing room and bathroom.

© Thomas Herrmann

In the ground floor a guest room and an additional apartment is located. By the usage of triple glazed windows and highly effective insulation an energetically optimized building could be realized.

© Thomas Herrmann

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Cite: "House S / Roger Christ" 20 Nov 2011. ArchDaily. Accessed 30 Aug 2014. <>


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      I posted this on Facebook mentioning the same observation as Janette. I had the same feeling from this project.

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    excuse me if i sound like a complete idiot, but has this been built yet? these are renderings right? they’re just so darn good these days…

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    je suis une étudiante en architecture et j’ai pris la maison R de christ Roger comme exemple pour mon projet de maison individuelle ce qu’il me faut c’est la biographie de l’architecte alors s.v.p si vous pouvez m’aider j’attend vos repenses merci

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