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Green Smart Magazine : 2009_new
Getting approval Across Australia, there are different rules and regulations setting out the minimum requirements to build a new home or renovate an existing one when it comes to environmental sustainability. In many cases, these rules are a combination of planning laws (state government and local council), and building laws, which are generally contained in the Building Code of Australia (BCA) -- a national regulation. The regulations deal with energy efficiency and water efficiency. Energy efficiency Energy efficiency is made up of the building fabric -- the way the house is constructed; and energy ser vices -- the fittings (electric and gas) in the home. The BCA sets the minimum building fabric standards for energy efficiency of all new houses. Based on the different climates across Australia, there are presently three targets set by the BCA. In QLD, ACT, Victoria, SA and WA all new homes must have an energy rating of at least five stars. QLD moved from 3.5 stars to five stars in March 2009. In Tasmania all new homes must have a four-star energy rating while the NT requires homes to be 3.5 stars. NSW operates using a state planning regulation called BASIX (the Building Sustainability Index) which combines minimum requirements for the building fabric with energy and water ser vices. BASIX energy requirement is equivalent to a four- to five-star level for building fabric, with the required rating based on the location of the home. (See table below.) If you're building a sustainable home, what must you do and what can you do? must-dos for Story > Kristin Tomkins rules+regulations building sustainably HOT WATER PHOTOVOLTAIC CEILING HOME ENERGY RAINWATER TAPWARE WATER WATERWISE REPLACEMENT SYSTEMS INSULATION AUDITS TANKS TOILETS APPLIANCES AUDITS GARDENS FEDERAL QLD NSW ACT VIC TAS SA WA NT Available rebates for energy and water conservation in existing homes as at 1 January 2009 76 greensmart 9 Photo courtesy Bradford Insulation