Ilot Berry, in the Fontaine d'OUche district of Dijon (118 housing units) This ambitious rehabilitation is based on several objectives for Grand Dijon Habitat: Reducing energy consumption and optimising the level of energy costs for tenants in a sustainable manner; Improve the comfort and quality of life of tenants, as well as the safety of property and people; Perpetuate the heritage. The aim of the rehabilitation is to achieve a high level of energy performance, aiming to obtain the BBC Renovation label from PROMOTELEC.