Hillside House
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House Notes – Hillside House
In 2016, John and Trudy wanted to build a home that will allow their grown-up children and one elderly parent to come and stay at length. They have a lovely, but steep block in Croydon which faces north and has vegetation overlay and a specific building envelope that is about 60m from the street.
Being energy efficient, having universal access feature within the house and capturing the view to the north and their front yard (which the owners planned to plant hundreds of indigenous plants), was the key requirement of the brief. The outcome is a 8.1 star all-electric house on raft concrete slab that is cut and filled, 18,000L water tank, 4.8kW PV system with battery storage, clerestory roof form which brings solar access to all habitable rooms in the house.
Watch ‘Towards Zero Emissions’ video from the builder here
This house achieved a NatHERS rating of 8.1 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:
- Efficient lighting
Efficient appliances
Energy monitoring
- Passive heating cooling:
- Cross ventilation
Passive solar designed home
Thermal mass
- Active heating cooling:
- Ceiling fans
Split system airconditioner
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Rainwater storage - Above ground
Grey water system
Drip irrigation
- Average water consumption per day:
- 132L per person
- Above ground rainwater storage Type:
- water tank
- Above ground rainwater storage Size
- 18,000L
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
Solar skylight
- Window Protection:
- Automation/controls
Awnings (external)
Blinds
Eaves
- Sustainable materials:
- Soil to be kept on site
Low embodied energy cladding
Double glazed composite windows
- Recycled and reused materials:
- Aggregate
- Insulation Type:
- Under-roof
Ceiling
Internal walls
External walls
Floor
- Ceiling Type:
- Bulk – glass wool
- Ceiling Rating:
- R5.0
- Floor Type:
- Wafflepod
- Floor Rating:
- R0.7
- Under Roof Insulation Type:
- Reflective foil
- Under Roof Insulation Rating:
- R1.8
- Internal Walls Insulation Type:
- Bulk – glass wool
- Internal Walls Insulation Rating:
- R2.0
- External Walls Rating:
- R2.7
- External Walls Type:
- Bulk – glass wool
- All-Electric Home?
- Yes
- Energy star rating:
- 8.1
- Renewable energy used:
- Energy storage/battery
Solar PV grid connect
- Size of PV system:
- 4.8kW
- Average Daily Energy Consumption:
- 2018/19/20 8Q 0.6kWh per person from grid
- Cost estimate of sustainable home/features:
- $30,000
- House Size
- 225m2
- BAL Rating
- BAL – Low: There is insufficient risk to warrant specific construction requirements
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
Metal (Colorbond)
- Window and Door Types
- Bi Fold
Casement
Clerestory windows
Double glazing
Skylights
Stacking windows/doors
Sun Tunnel/SolaTube
- Universal design accessability
- Adaptive design
- Universal Design Features
- 80cm minimum door opening width
Flush thresholds (no lip) to all external doors
Hobless showers
Lever handles for doors (no knobs)
Minimum 110cm wide hallways
- Number of bedrooms
- 3
- Number of bathrooms
- 2
- Garden / Outdoors
- Composting
Drip irrigation
Edible garden
Greenhouse
Local indigenous plants
Orchard
Organic
Native plants
- Waste Reduction Practices:
- Compost all food scraps
Recycle
Repair
- Healthy home features
- Airtight house design
Carpet free - tiles/concrete/timber flooring throughout
Cross flow ventilation
Formaldehyde free cabinets
Low VOC paints/sealer/varnish
Natural light and ventilation
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Positive Footprints Pty Ltd
- Designer
- Positive Footprints Pty Ltd
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