As part of the NPNRU of the City of Mons en Baroeul, it is planned to give a new image to the "U" Marc Sangnier. As such, a building of 8 housing units was demolished in order to open the residence on the neighborhood. At the same time, the work on the facades, the thermal improvement of the remaining 119 dwellings, the upgrading of the technical equipment of the common areas and the dwellings, as well as the creation of 64 Optidom dwellings (adaptation of dwellings to aging) will conclude this rehabilitation including the entrances 50 to 70 avenue Marc Sangnier of this complex put into service from 1968. With its energy rehabilitation project for 119 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)". As part of the rehabilitation, the following works are being undertaken in particular: Insulation from outside: - Replacement of terrace roof insulation, - Replacement of PVC exterior joinery, - Insulation between basement and dwellings. Interior of dwellings: - Hygro-adjustable low-pressure VMC, - Replacement of landing doors, - Refurbishment of heating and radiators distribution, - Installation of thermostatic valves. The work will improve the energy label from E to B.