The residence is located between the marina and the city center. The district is a port site from the beginning of the 20th century consisting of suburban houses but also business buildings. The Chantereyne residence consists of 4 buildings in R+ 10. It was built in 1961. Housing then dominates the neighborhood mainly composed of R+ 2/R+ 3. The buildings of the residence despite careful maintenance that is felt and respect for the place by the inhabitants, suffer from several pathologies: — Visible cracks on certain facades – Strengthless performance – Concrete detachments on balconies – A hard image with rectangle volumes – An urban facade consisting of united gables – balconies highly exposed to bad weather. — Narrow lifts serving only a half-pallet out of 2