Studio Libeskind, in partnership with La Compagnie de Phalsbourg, has won the international competition to design the mixed-use flagship building for the ZAC Léon Blum district, adjacent to the future Line 15 station of the Grand Paris Express in Issy‑les‑Moulineaux, Paris.
© Brickxel Studio
The project is part of a major infrastructure and urban-planning initiative to improve mobility and sustainability in the Paris metropolitan area. With Paris committed to ambitious, long-term urban renewal, this design competition was launched to create a landmark building that responds to current housing and transport challenges while contributing to a resilient, attractive neighborhood.
Line 15 of the Grand Paris Express is scheduled to begin service in 2026. The new station will link the district to the rapid orbital metro, which will connect 16 stations in about 35 minutes and significantly boost local accessibility. As part of the area’s transformation, the city called for a comprehensive redesign of ZAC Léon Blum, the district that includes the existing RER Issy station and the future Grand Paris Express stop.
© Brickxel Studio
Issy‑les‑Moulineaux, located only a few kilometers from the Eiffel Tower, is undergoing rapid redevelopment into a forward-looking urban district. The new Issy station, a key node on the Grand Paris Express, will act as a catalyst for local growth and regeneration. Studio Libeskind’s proposal was developed in collaboration with landscape architect Alice Tricon and developer OGIC to ensure integration between architecture, public space and biodiversity.
The Fan d’Issy project comprises more than 215,000 square feet of mixed-use space, including a hotel, retail and office areas, and residential units. The design emphasizes flexibility and programmatic diversity to serve residents, workers and visitors while reinforcing the local economy.
Visually, the building is conceived as a geometric composition with angled façades that appear to fan outward, creating dynamic volumes and varied exposures. Large, planted façades and terraces are central to the concept, introducing extensive greenery on vertical and horizontal surfaces to soften the urban environment and support biodiversity.
© Brickxel Studio
Construction of the building will begin after the adjacent Issy station becomes operational on Line 15. The scheme seeks to redefine urban living by blending housing, commerce and public green space, challenging conventional apartment design through generous planted areas, varied façades and interconnected outdoor spaces that encourage community life and ecological diversity.
Daniel Libeskind, who leads Studio Libeskind, has a long track record of high-profile international projects, including work on the reconstruction of the World Trade Center site in New York. For this competition, eight leading architectural teams submitted proposals, with Studio Libeskind selected for its integrated approach to architecture, landscape and urban mobility.
With this new development, Issy‑les‑Moulineaux aims to create a lasting model for sustainable, mixed-use urban neighborhoods that enhance mobility, promote biodiversity and offer high-quality living and working environments close to Paris.