In the renovation of this house for a young couple, the design process started from the overlapping of the spaces required by each of the clients with the structural characteristics of the flat. After a few variations, the solution found was to place a technical core of the house in the centre of the plan, which did not need to face outwards and whose barycentric position was easily usable in the daily life revolving around it. After placing this technical core in the centre of the plan, we continued to ennoble it aesthetically until it became the characteristic element of the project. Its surface has been clad on the sides with full-height mirrors to enlarge the most constricted spaces of the flat such as the entrance and the bedroom hallway. For the front side, on the other hand, an ad hoc bookcase was designed in classic travertine whose geometries and tones characterized the entire living area. The living area works along the length, dividing into three well-defined bands; the living room, positioned in the deepest part of the room, the dining area, with the table placed in the centre in axis with the bookcase, and finally, with a precise change in the floor finish, there is the open kitchen developed in a U-shape at the end of the space with a central island. All the tones in the house play on a palette of warm, bright tones, allowing a harmony between the natural oak positioned both on the floor and wall, classic travertine, florim ceramics from the sensi collection and light resin.