Starting at 19 squares, your double storey house design can be configured for a duplex, narrow lot, knockdown rebuild or custom development. At Worthington, we build high-quality new homes that are generous on space for the whole family while making a lasting impression for guests. A simple box-type design, the front exterior features glass in dark grey aluminum frames from top to bottom. Obviously, the concept offers a sufficient supply of light and air to ventilate the interior of the house. The exterior facade looks tidy with a mineral plaster finish in white shade. Our double storey home designs come with a BASIX certificate and are built to Building Sustainability Index (BASIX) requirements, which apply to all residential construction developments in NSW. What this means is your new home will be built with optimum sexy shower design water saving, energy efficiency and thermal comfort for variance in climate.