Located among other period objects and similar architecture, a house of worker type mustbe enlarged to meet the client's need to increase the living space ofhis dwelling.Acknowledging qualities in the original work, the project adopts a respectful and frank attitude.It preserves the silhouette, structure and simplicity of the house that are characteristicsmodest but precious. Component with a small plot and its context, anew house is built around the old. With this gesture, a new face is offered to him.Between the old and the new walls, a space comes alive, both entrance, stairs, corridor andcooking, it generates through an inner walk, rich and varied visual relations.Like a case, this envelope protects, offers privacy but also reveals the house throughframing that let discover its new spatiality. From the inside, these openings, punctuating thecourse and the living rooms of the house, highlight details of the environment: a tree, asquare of garden, the sky, an old industrial facade.