We are required to redefine the ground floor of a detached house in the province of Naples. It must have more features in a single room: entrance, hall, living room. Moreover, we are asked to draw the wall of the hall behind the sofa and the angle devoted to TV and HI FI and to study a solution to make more accessible the zone of the chimney, that previously had a critical position (to the entrance of the stairs that leads to the top). The redesign of stairs provides an opportunity to redefine this angle at the best; in fact, expanding and extending the treads of the last steps, the aesthetic is improved and same comfortable chairs are obtained around the fireplace.