The idea on which the project is the desire to express the maximum size of the house in the longitudinal direction, from window to window, narrated by an element, the wall system, which is declined according to the functions. The wall system is formed by a base, depth and different heights, with baskets, drawers and doors, and wall units and shelves. Whereas the dark tint of the floor, it is suggested that the color white gloss for all the elements which rest on the floor, while the elements for hanging the dark color of the steps of the staircase. The rest of the furniture consists of a sofa that can be 7'-10'' long, a table for quick meals, an armchair, a dining table that we can extend if necessary, and a large Persian rug 11'-6'' x 8'-2''.The desire to express the maximum size is reflected also in the transverse direction, diversifying chromatically the three walls of the staircase and the kitchen, and tying the tint of the wall system with that of the bottom wall of the staircase.