The operation concerns the rehabilitation and residentialization of 188 housing units of eight real estate complexes in the Commune of Herserange. The work aims to reduce the energy consumption of buildings with the achievement of a BBC performance level, to improve safety, comfort of inhabitants and green spaces. The renovation of the units will make it possible to improve the energy performance of the buildings by carrying out work on the building envelope and on the heating and ventilation systems. Upgrading of electrical systems and building fire safety systems. The layout of the exteriors will improve the quality of life of the inhabitants of the dwellings.