O House

Toward the south, the house reads as a monolithic mass, its austere surface the very thing that makes its discreet condition possible. Toward the north, by contrast, the house opens completely, framing a garden of over 2,500 square meters and establishing a direct relationship with the exterior. The materiality reinforces this logic: white planes, exposed concrete slabs, smoothed cement floors, and anodized aluminum openings. The structure remains deliberately hidden: beams, tie rods, and columns disappear behind clean perimeters, where inverted beams and cantilevers resolve the resulting structural loads. The entry organizes the sequence: main door, first courtyard, pool, and rear garden align on a single transversal axis. A longitudinal corridor runs the full length of the house on both levels, alternating with two courtyards along the way: they separate uses, mark pauses, and bring in light and air where the volume needs it. That corridor meets the staircase, where the offset between volumes opens a small internal garden. On the upper floor, the block shifts north, generating a semi-covered gallery over the public spaces of the ground floor. Above the living-dining room, a double-height space connects both levels and gives the interior its scale. The courtyards, cantilevers, and window systems also work together as a climate strategy: jointly they resolve cross ventilation, distribute natural light, and cast their own shadows, without relying on elements foreign to the volume. This strategy is made possible by the proposed spatial planning. Casa O is thus defined by a south façade that closes the house and a north façade that dissolves into courtyards and transparencies, turning that tension into the final argument of the house.