Design a modernist style house facade inspired by the architecture of Mies van der Rohe and Le Corbusier. The facade should be composed of two main volumes: an upper volume containing the bedrooms and being more closed, and a lower volume that includes a steel gate for vehicular access and a main entrance door. Add horizontal windows with elongated proportions in the upper volume for natural lighting, and glass windows in the lower volume to create a connection with the outside. The design should be clean, minimalist, and use modern materials such as steel, glass and concrete, with an emphasis on functionality and contemporary aesthetics.