The operation concerns the mainly energy rehabilitation of 100 housing units in LONGLAVILLE concerning 4 buildings, located rue Jules Guesde and rue Jean Jaurès in December 2020. The aim of the works is to reduce the consumption of the building (reach the RT level renovation), and to improve the safety and comfort of the inhabitants. The renovations concern the following items: — work aimed at a certain energy performance (insulation, technical equipment, replacement of carpentry, etc.); — works related to the fire safety of buildings (smoking, fire-resistant rooms, etc.); — rehabilitation works inside the dwellings and in the common areas (sanitary facilities, rehabilitation of entrance halls, etc.). — architectural improvements and layout of outdoor spaces: Treatment of facades, valorisation of entrances, renovation of outdoor spaces in order to enhance the image of buildings and of the district by working on the overall aesthetic – Electrical safety: it concerns the electrical safety of dwellings and common areas