The project was to develop on top an existing house, another house. We took this same idea. There was a column to the preceding stage. We did two departments for two families united by a common outdoor patio. The project conforms to the place with all its limitations.The program is to establish a small two-story house. At the lowest level we placed the living room-kitchen and a guest bathroom, the stairs to the second level and a large terrace can be left free area.At the second level, two bedrooms with individual bathroom.