Architecture, Building and Structure Design Eco House Residential by Boguslaw Barnas This project of sustainable house is located in the protected landscape area Nature 2000, surrounded by beech and oak forests, horse riding meadows and agricultural lands. Number of analysis defined the final shape of the house, among them: analysis of functional plan, division into day, night, technical and working zones; analysis of solar radiation; to optimize solar gain and to create interiors with proper natural light.