Sustainably Designed Townhouses
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Sustainably Designed Townhouses
The client brief was to develop two solar passive designed homes that would be suitable for multi generational living, where the living area can flow out onto a north facing deck and garden. Design features that contribute to solar passive design include exposed concrete slab with north facing windows, high insulation in walls and ceiling, high performing windows, cross flow ventilation, ceiling fans in all rooms and shading for summer. Additional features in each property include 5kW of panels on north facing roof and 5,000 litre rainwater tank underground in the driveway for both properties.
This house achieved a NatHERS rating of 7.1 stars using NatHERS accredited software.
Find out how the star ratings work on the Nationwide House Energy Rating Scheme (NatHERS) website.
Sustainability Features
- Energy efficiency:
- Draught proofing
Efficient lighting
Efficient appliances
- Passive heating cooling:
- Cross ventilation
External planting
Heat recovery ventilation system
Passive solar designed home
Thermal mass
- Active heating cooling:
- Ceiling fans
Heat exchange ventilation system
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Rainwater storage - Underground
Low flow shower heads
Low flow taps
- Average water consumption per day:
- 95 litres
- Underground rainwater storage type:
- concrete
- Underground rainwater storage Size:
- 5,000 litres
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
- Window Protection:
- Blinds
Eaves
- Sustainable materials:
- Exposed concrete slab in living areas facing north
- Recycled and reused materials:
- Bricks
- Insulation Type:
- Under-roof
Ceiling
External walls
- Ceiling Type:
- Rockwool
- Ceiling Rating:
- R6.0
- Under Roof Insulation Type:
- Reflective foil
- Under Roof Insulation Rating:
- R1.0
- External Walls Rating:
- R2.5
- External Walls Type:
- rockwool
- All-Electric Home?
- Yes
- Renewable energy used:
- Solar PV grid connect
- Size of PV system:
- 5kW
- Average Daily Energy Consumption:
- 3kW
- Total cost of home when constructed:
- 600,000
- Cost estimate of sustainable home/features:
- 30,000
- Estimate of annual savings:
- 2,000
- House Size
- 150m2
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
- Window and Door Types
- Casement
Double glazing
- Universal design accessability
- Multi-generational
- Number of bedrooms
- 3
- Number of bathrooms
- 2
- Garden / Outdoors
- Composting
Edible garden
Orchard
Organic
Water wise plants
- Waste Reduction Practices:
- Compost all food scraps
- Healthy home features
- Automated ventilation system
Chemical free cleaning products used
Cross flow ventilation
Heat recovery ventilation (HRV)
Natural fibre furnishings
- Housing Type:
- High Density Housing/Strata Development/Unit
- Project Type:
- New Build
- Designer
- Green Design Solutions
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