Addington is home to New Zealand’s first Superhome, the first home in New Zealand designed and built to the highest possible Homestar rating – 10! The Homestar rating from the New Zealand Green Building Council takes into account energy use, ventilation, water, waste, health and comfort. Only two other houses in the country have reached a 10 since this home’s completion in 2015. Most standard new builds in New Zealand would reach only a 3 or 4 rating. This Superhome brings in Zero cost power bills. It is so energy efficient that it receives credits from the power company over the summer months.
Architectural designer Bob Burnett is selling the three-bedroom, two-bathroom home situated in historic Church Square in Addington, Christchurch. His innovative house sits in place of an earthquake damaged cottage. According to Burnett (Superhome Movement co-founder) the home formed part of a vision for demonstrating healthier homes and more sustainable ideals for an energy efficient, low carbon future. For the last five years it was made available to the public as a demonstration home and is now on the market. “The aim was to demonstrate that smarter designed and better built, affordable, warm comfortable healthy homes were easily achievable using better techniques and commonly available materials,” Bob says.
Designed to provide the best possible living experience in a compact footprint, the 140sqm home fits a small 285sqm site – although Burnett says its design feels bigger. Environmentally certified natural materials are used to achieve the 10 homestead rating, along with innovative technology not common in typical New Zealand homes. Under the stairs a concealed storage cupboard contains a large hot water cylinder that acts as a heat sink, a solar PV inverter and batteries. An enlarged landing at the top of the stairs allows for a home office space and circulation to the three bedrooms and bathroom. The bottom three stairs have been turned into drawers for footlockers.
Additionally the sustainable home features 18 solar panels, rainwater and grey water systems, a carport with an electric vehicle charging outlet and black tiles around the perimeter to assist with solar gain. The ‘super-insulated’ home includes R10 ceilings, R4 walls and an R3.6 floor rating. Solar wall and heat exchange fresh air ventilation and the concrete floor is fully insulated and heated with solar powered hot water. Recessed PVC durable windows with thermal bridging to reduce heat loss and mould growth.
Listing agent Steven Ell from Harcourts Holmwood says that the home would be wonderful to live in with the combination of heating, insulation and ventilation making for a very comfortable environment.
Adapted from Joanna Davis, Want zero power bills in a suburb voted New Zealand’s best? Try this ‘Superhome’ for sale for the first time.
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