This house was designed for a family with one children and located in Sidoarjo, Indonesia. The existing of the house was unefficient, to much wasted spaces. Based on client’s requirements, the program is quite simple, all public area for interaction in 1st floor, and all bedrooms in 2nd floor. The openings for both natural lighting and visual recreation generated in linear position at the north side of the building so they can get enough undirect sunlight.