The flat roof house design incorporates an open plan living area and embraces the Australian indoor-outdoor lifestyle.
The flat roof house design optimises passive solar design principles and achieves a high energy efficiency rating when correctly sited with northern aspect. The horizontal roof provides an indoor-outdoor alfresco space by cantilevering over the alfresco elevation for the low afternoon sun during the hotter Australian afternoons. Potable rainwater is harvested from the large roof catchment area of the flat roof house design that flows to a ultraviolet light filtered 272,000 Litre storage tank. Visitors enter the open-plan living area of the flat roof house design through a generous 2400 mm double glazed timber pivot door. The passive solar design enhanced by utilizing 2400 mm clear anodised end-sliding doors that link the internal living areas to the outdoor alfresco and terrace of the flat roof house design.
The flat roof house design incorporates a rooftop solar hot water unit which is boosted using a wood fuel firebox through the cooler winter months. The flat roof house design can also features photovoltaic electricity generation if an off-grid-lifestyle is desired.