Renovation Project of the Sénéo Headquarters Building in Nanterre, France, Commissioned to Brenac & Gonzalez & Associés
en.Wedoany.com Reported - The renovation project of the Sénéo site building in Nanterre, France, has been commissioned to the French architecture firm Brenac & Gonzalez & Associés. Leveraging the site's existing educational garden, this building renovation project involves the architectural transformation and re-naturalization of an existing building and its surrounding 4,500-square-meter site. The existing building was designed by Jean Darras and Yves Bedon, with landscape design by Jean-Michel Rameau. The project is expected to be delivered in 2028.

Brenac & Gonzalez & Associés stated: "The architectural renovation project of the Sénéo site in Nanterre is based on a simple conviction: sustainable architecture often begins with what already exists. This architecture no longer merely accommodates functional uses, but reveals the landscape and the resources it protects. Here, the landscape becomes a true urban material, demonstrating how re-naturalization can serve as a lever for transformation."
The site is currently highly paved, with a weak connection between the building and its surrounding environment. The renovation plan will make the ground permeable, reconfigure the parking lot, and extend the landscape into the public space. Water resource management, as the core mission of Sénéo, will be addressed through a network of vegetated swales that collect and treat rainwater runoff within the plot. The originally enclosed courtyard will be opened up and reconnected to the garden, becoming a through-space. The building entrance will be redefined, with the access path passing through the landscaped area.
Functionally, this building renovation project organizes the coexistence of workspaces, areas open to the public, the Water House, and functional housing, balancing openness and privacy. The timeline includes a competition phase from 2025 to 2026, followed by implementation.
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