Flag is the design of contemporary houses that looked comfortable and designed by Propeller Z. This project is the renovation of 200 year old farmhouse with a traditional U-shaped in Vienna, Austria. Living room designs separate from the barn and stable yard. South wing is half buried into the slope and not related to the area to the rear. This fix the kitchen and living room located on the plateau with wide windows. Wooden ceiling wrapped in warm like the platform. Made with exposed concrete floors, while the internal insulation made from recycled newspaper. North, of features were added to the woodpile which extends along the facade, which is a reinterpretation of the local typology of the farmhouse as well as his own aesthetic elements. This project was made by using material that is relatively cheap, environmentally friendly and energy efficient