A ‘house in house’ concept in Frankfurt by JOP Architekten

The plot of this building in Frankfurt is characterised by the surrounding residential buildings with sloped roofs, and the available narrow site. This lead JOP Architekten to the idea of designing a slim building with the gable facing the street. The building appears in a simple form of an archetypical house.

The inner house meets the functional requirements of the program. Following the house in house principle, it is covered by a traditionally shaped outer house with a saddle roof.

The inner house is designed with an open-plan layout and multiple terraces and loggias according to the client’s guidelines. With the fusion of the inner and outer houses, various types of spaces were created, complex and simple rooms alternating.

The inner and outer house differ in color and materiality. Both are constructed as timber structure sitting on a solid base of concrete. The change of construction and materials are visible externally and internally and was also adopted in the design of the surrounding garden. The separation of the base through the springback of the lower floor, gives the building the impression of levitating above ground.

By using Sikalastic, the architects were able to make the cladding of the outer house’s roof look like the walls of the shell and at the same time, enhance the contrast with the inner house’s wooden facade.






Design and info © JOP Architekten

Images © Richard Pflaume and Studio Englert

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