Living Room, Storage, Chair, Standard Layout Fireplace, Floor Lighting, Coffee Tables, Concrete Floor, Sofa, Rug Floor, and Lamps What can't be obviously ascertained from this sleek reading chair? How the Northern sunlight warms the concrete slab floor in winter to help maintain a consistent internal temperature, "regularly achieving 25 degrees Celsius without heating in winter," said the architects. "It was important to create a space where the occupants could enjoy the summer warmth, as well as remaining at ease during the cold Ballarat winters."  Photo 6 of 9 in This Australian Home Is a Study in Simplicity and Style