These top ten constructions are sustainable buildings that have changed a lot in design and the way people inhabit spaces. However, it isn’t the only strength of this building, which also possesses the Platinum LEED certification for its energy efficiency and environmentally sustainable design. It is owned by Design-Com and is a small 4-storey building, which has become a landmark of sustainable office design. It is also a living lab for sustainable building practices and a regenerative building that generates more energy than it consumes. Powerhouse BrattørkaiaNorway boasts another sustainable building built in 2019 and featuring 8 floors.