‘Island residence’ by Coates design is an architecture with sustainability as a prerequisite feature. Using passive solar design, temperature of the house stabilize with the help of thick walls acting as thermal collector. Integration of water and energy-efficient appliances, light dimming system and hydronic heating are the sustainable features of this eco-friendly architecture. Uncovered beams, roof decking, concrete floors and walls, large windows are features that set this house apart. Surfaces extending outdoors stylishly and efficiently blend the indoor and outdoor elements.