INDICA HEMP HOUSE, Wilyabrup, WA
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INDICA HEMP HOUSE, Wilyabrup, WA
Having always been passionate about sustainability and eco-design, designing and building Indica Hemp House had been a passion of mine soon after learning about hempcrete construction at a hemp expo about 6 years ago. After viewing local homes that had been constructed by my builder, and ‘feeling’ how it was inside, I knew my house HAD to be built with this material. My house is constructed of locally grown industrial hemp formulated on-site into hempcrete. Hempcrete has many qualities that make it incredibly eco-friendly and sustainable as a building material including: it provides high thermal insulation; it’s fire resistant; it’s walls breathe; it sequesters CO2 providing a Negative Carbon footprint; it’s inherently airtight; and no waste is produced during its construction. Starting with a passive solar design that was developed for a west facing block, every aspect of it’s function and ongoing life has had careful and considered thought to contribute to sustainability.
Sustainability Features
- Energy efficiency:
- Draught proofing
Efficient lighting
Efficient appliances
Smart home features
- Passive heating cooling:
- Cross ventilation
Deciduous planting around house
External planting
Passive solar designed home
Thermal mass
- Active heating cooling:
- Ceiling fans
Heat pump
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Rainwater storage - Above ground
Grey water system
Stormwater management
Low flow shower heads
Low flow taps
Drip irrigation
- Average water consumption per day:
- 33L
- Above ground rainwater storage Type:
- Heritage HGT 110 Slimline Water tank
- Above ground rainwater storage Size
- 111,500L
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
Skylight
- Electric Vehicle Type
- Tesla Model 3 P
- Window Protection:
- Adjustable Shading
Automation/controls
Awnings (external)
Blinds
Drapes/curtains
Eaves
External window hoods/surrounds
- Sustainable materials:
- 50% of our internal walls are 250mm hempcrete at a R-value of 3.55. The other 50% is Gyprock insulated with Bradford Gold R4.1.
- Recycled and reused materials:
- Cladding
Decking
Railway sleepers
Rocks/stone
Sleepers
Timber
- Insulation Type:
- Ceiling
Internal walls
- Ceiling Type:
- Bulk – glass wool
- Ceiling Rating:
- 4.1
- Internal Walls Insulation Type:
- Hempcrete to 50% internal in addition to bulk glass wool
- Internal Walls Insulation Rating:
- 3.82
- All-Electric Home?
- Yes
- Energy star rating:
- 8.7
- Average Daily Energy Consumption:
- unknown
- Total cost of home when constructed:
- $1.23M (2023)
- House Size
- 347 m2
- BAL Rating
- BAL – 12.5: Ember attack with heat up to 12.5kW/m2
- Roof
- Metal (Colorbond)
- Wall Materials
- Hemp
Hempcrete
Lightweight construction (timber frame)
Timber
- Window and Door Types
- Double glazing
Skylights
Sliding windows/doors
- Universal Design Features
- 80cm minimum door opening width
Hobless showers
Lever handles for doors (no knobs)
No stairs/steps
Rocker style light switches
Slip resistant flooring
Strong fittings like towel rails that can be used as hand rails
- Number of bedrooms
- 4
- Number of bathrooms
- 4
- Garden / Outdoors
- Drip irrigation
Frog friendly
Local indigenous plants
Native plants
Water wise plants
- Waste Reduction Practices:
- Recycle
Repair
Waste free/reduced construction site
- Healthy home features
- Airtight house design
Carpet free - tiles/concrete/timber flooring throughout
Cross flow ventilation
Formaldehyde free cabinets
Indoor plants for air filtration
Lime render/wash
Natural light and ventilation
Natural oil sealer/finishes
VOC free paints/sealer/varnish
Wax based sealer/finish
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Gary Rogers of Hemp Home Australia
- Designer
- Livia Hawker Design & Drafting
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