Keywords Change this

Facade, Adaptive Re-use

Project timeline

2011 – 2011



Location Change this


Current state

Altered (extensions to the original)

Architect Change this

Client Change this

Paris Habitat


Article last edited by Bostjan on
August 09th, 2019

Bois-Le-Prêtre tower Change this

1 of 7

Description Change this

This last project is the result of a competition organized in 2005 by Paris Habitat, the Public Housing Office, following the implementation of a new demolition and reconstruction policy, sought to create a new block of flats for this location. The composed team was headed by Frédéric Druot and Lacaton & Vassal Architects, who proposed an alternative solution, while remaining faithful to their own principles.

The original building was designed and built in the 1960s by Raymond Lopez. It was later renovated in 1990s by Tecteam, where exterior cladding to the façade was added which ensured that the building met technical insulation standards. However, the renovated façade created boxed-in, small windows which subsequently hindered the view points and natural light.

Lacaton-Vassal-Druot's refurbishment, removed the façade installed during the nineties and replaced it with large transparent openings. The project also involved a 3-metre-wide extension of the apartments through a self-supporting structure surrounding the perimeter of the tower. All of the works were undertaken on-site which meant the residents did not have to be dislodged during the construction. This surface area is divided into two strips; first one of two meters wide hosting a 'winter garden' and the other accommodates a continuous open balcony with transparent balustrades.

Together with the extensions and modifications of the apartments, there was an addition of two new elevators, and on the ground floor the hall has been refurbished and opened to new a garden created in the back of the building.

The solution is valued at approximately 100.00 € per apartment, a much more cost effective and environmentally sustainable solution over demolition.



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