Detail, projecting balconies on east facade with sections brightly painted; The Unité d'Habitation (Housing Unit) is the name of a modernist residential housing design principle developed by Le Corbusier, with the collaboration of painter-architect Nadir Afonso. The concept formed the basis of several housing developments designed by him throughout Europe with this name. The Unité at Firminy-Vert was built to the strict cost yardstick of HLM regulations and was one of several of his buildings in this coal-mining town near Lyon. He was commissioned by Eugène Claudius-Petit, who became mayor of Firminy in 1953, to design a central ‘agora’ including a sports stadium, cultural centre and church, as well as the Unité, which he organized as an en...