Vilogia thermally rehabilitates a heritage composed of 108 collective housing units, built in 1950, located at 82 Corneille Street in Villeneuve d'Ascq. It is a 15-storey tower located in the Post Office district. With its energy rehabilitation project for 108 housing units, Vilogia meets specific objective 2.1: Promote energy efficiency measures and reduce greenhouse gas emissions and Action 2: "Energy rehabilitation of social housing (public park)". The rehabilitation shall provide in particular for: -Replacement of the waterproofing of terrace roofs - Insulation from the outside with cladding - Replacement of all exterior joinery (housing and common areas) - Replacement of controlled mechanical ventilation - Rehabilitation of balconies (bodyguard and painting) and removal of exterior joinery from loggias (linear) - Rehabilitation of entrance halls (entrance door and intercom system, tiling, painting, letter boxes and lighting) - Repainting of stairwells and landings - Replacement of heating networks, cold water and domestic hot water (pipes, pipes, radiators with thermostatic valves), in order to separate the Tower from the Linear The work will improve the energy label of D (weighted average, before work: 153.75 kWhep/m2/year and 46 kg CO2eq./m2/year) at C (72 kWhep/m2/year and 23 kg CO2eq./m2/year).