Rendering of the transformation of the administrative building into a mixed-use complex by Lacaton & Vassal, 2026. Image © Lacaton & Vassal et Emmanuelle Delage. Model by Gwénaël Gosh
Lacaton & Vassal have announced the transformation of a former administrative center into a mixed-use residential and office building in Vannes, a medieval town in Brittany, northwest France. The project is part of a State policy to mobilize state-owned land for housing. In 2023, the French State launched a call for expressions of interest for a project on the former administrative complex, which housed several State services, in consultation with the City of Vannes. The winning proposal is a partnership between GReeStone Immobilier and Grand Ouest Immobilier, with an architectural team formed by the office of Anne Lacaton and Jean-Philippe Vassal, winners of the 2021 Pritzker Prize, in partnership with Emmanuelle Delage Architecte. According to the city government, the proposal was chosen with the aim of promoting resilience and limiting the carbon footprint by renovating rather than demolishing.