Family house O87 is a small three bedroom energy-saving bungalow. Simple and practical rectangular shape is complemented by overhanging roof over the entrance from the side of the street. The center of the layout consists of living room connected to the kitchen. This space is linked to the garden via patio and sliding door. Near the entrance to the house we concentrated technical spaces, toilet and bathroom, thus minimizing the costs of technical installations. The master bedroom is designed, for more privacy, away from children's bedrooms. If necessary, it is possible to situate the entrance to the house from the side. This house is also suitable for a simple self-build.