There are many improvements that can be done to make a house more sustainable. Some improvements can be done immediately and are cost-free; others will take longer and require more investment. Many improvements are applicable for renovations as well as for new projects.
Sustainability Options
- Insulate walls, ceiling and under floor to aid heating and save on energy costs.
- Install double-glazed windows.
- Utilise the sun. Orientate a new house for maximum sunshine, install solar water-heating, and consider passive heating options. Talk to your architect for further ideas.
- Select appliances with high energy efficiency ratings. Swap regular light bulbs for eco bulbs. Design for maximum natural light to reduce artificial lighting.
- Choose non-toxic building materials. Look for the Environmental Choice tick of approval. Source materials locally, to reduce the environmental impact of transportation.
- Install a rainwater collection tank. Choose water-efficient appliances and low-flow sanitary fittings.
- Minimise waste and recycle where possible, especially during the demolition and construction phases.
- Use renewable electricity sources where possible, by generating onsite (for example, by installing a small-scale wind turbine or micro-hydro system) or by choosing a power company that generates from renewable sources.
- Build with comfort and the future in mind, particularly if this is the house you plan to grow old in when good indoor/outdoor access will be a key requirement.
- Choose native and local plantlife for gardens and landscaping.
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