Black and white design has two pavilions house that looks like wings joined to the entry stairs. With a protected central courtyard, shaded terrace and a sunny swimming pool loggia, outer space is open to various parts of the site and park. Fine joinery elements defining details and provide a living character, dining room and kitchen area. A steel, wood and glass cutting steps into the foyer which is the hinge of the wing split level. Home design uses many environmentally friendly techologies as passive heating and cooling, natural ventilation, solar pool heating and rainwater tanks. Comfort level is one big fluid required space in a panoramic view over the Middle Harbor. Northbridge house was designed by Johannsen + Associates and is located near the Spit Bridge to North Sydney.