Aqua Perma Solar Firma Spiral Staircase
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Case study: This urban home by CplusC Architectural Workshop in Sydney, Australia, has an evacuated glass tube solar hot water system, underground rainwater storage for use throughout the home and garden, as well as a 3kW photovoltaic power system to run the house and charge the couple’s electric car.Star Rating for Better Sustainability Outcomes in AustraliaAustralia’s huge variation in climate and landscape makes it more difficult to coordinate a national one-size-fits-all policy, although coordinated efforts are underway.“There are national codes, state-based legislation and council policies, plus industry standards such as the Green Building Council of Australia’s Green Star rating system that have also been effective in incentivising better sustainability outcomes,” says Australian Institute of Architects National President, Helen Lochhead.But at present, Australians building a new home or undertaking major renovations only need to meet minimum state and territory energy-efficiency requirements based on the National Construction Code.
Looking back towards the staircase, its sculptural lines enhance the interior of the house. The owners say the under-stair garden brings the outside garden inside and “adds a dramatic green element to the stunning form of the stairs”.Planted around the base of the staircase is Aspidistra, once christened the cast-iron plant due to its ability to cope with low light, dust and minimal water. Aspidistra can also be planted outside in warm, shady locations.