» Knotwood

House Notes – Knotwood

Our strawbale house is built on a 150 ha bush block of jarrah, marri and wandoo bushland. The house is of a passive solar design with care taken to ensure natural ventilation and light. All rainwater is collected for use in the house and garden. A solar pv system is the sole power supply, with water heating via solar and wetback on kitchen wood fire. Greywater is used on the vegetable garden and fruit orchard. We have a dry composting toilet.

Please call 0428 546 971 up to Saturday night or 9885 7305 on weekend for address and directions.

Sustainability Features

ENERGY AND WATER EFFICIENT FEATURES

- Energy efficiency:
- Efficient lighting
- Passive heating cooling:
- Cross ventilation
  Passive solar designed home
  Shading
  Thermal mass
- Water heating:
- Solar hot water (flat panel)
  Wood fire wetback
- Water harvesting and saving features:
- Above ground rainwater storage
  Grey water system
  Stormwater management
- Average water consumption per day:
- 200L
- Above ground rainwater storage Type:
- Steel & concrete
- Above ground rainwater storage Size
- 230kL
- Storage connected to
- Garden
  Whole house
- Energy Efficient Lighting
- Natural daylight
- Energy Efficient Lighting
- compact flourescent lights
- Window Protection:
- verandah and eaves

SUSTAINABLE & RECYCLED MATERIALS

- Sustainable materials:
- strawbale walls lime waste for scratch coat render recycled timber salvaged timber earth based floor
- Recycled and reused materials:
- Appliances
  Bathroom cabinets
  Doors
  Kitchen cabinets
  Light fixtures
  Timber
  Windows

INSULATION SPECIFICATIONS

- Insulation Type:
- Under-roof
  Ceiling
  External walls
- Ceiling Type:
- Bulk – natural wool
- Ceiling Rating:
- 3.0
- Under Roof Insulation Type:
- reflective foil and air cell insulation
- Under Roof Insulation Rating:
- 1.5
- External Walls Rating:
- 35
- External Walls Type:
- Straw (stawbale walls)

RENEWABLE ENERGY SPECIFICATIONS

- All-Electric Home?
- No
- Renewable energy used:
- Energy storage/battery
  Solar PV off-grid
- Size of PV system:
- 3.0
- Average Daily Energy Consumption:
- 1.0

COSTS AND COST SAVINGS

- Total cost of home when constructed:
- $350,000 incuding ancilliary buildings
- Cost estimate of sustainable home/features:
- $40,000
- Estimate of annual savings:
- $3000

HOUSE DESIGN SPECIFICATIONS

- House Size
- ~ 170m2
- BAL Rating
- BAL – 19: Increasing levels of ember attack and ignition of debris with a heat flux of up to 19kW/m2
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
  Strawbale
- Window and Door Types
- Double glazing
  Double hung
- Universal design accessability
- Adaptive design
  Multi-generational
- Universal Design Features
- 80cm minimum door opening width
  Contrasting colours and material for vision impaired
  Hobless showers
  Slip resistant flooring
  Various heights for benches in kitchens
- Number of bedrooms
- 3
- Number of bathrooms
- 1

GARDEN AND WASTE REDUCTION

- Garden / Outdoors
- Composting
  Edible garden
  Organic
  Permaculture
  Native plants
  Water wise plants
- Waste Reduction Practices:
- Compost all food scraps
  Recycle
  Repair
  Swap with friends and neighbours

HEALTHY HOME FEATURES

- Healthy home features
- Chemical free cleaning products used
  Cross flow ventilation
  Lime render/wash
  Low VOC paints/sealer/varnish
  Natural fibre furnishings
  Natural light and ventilation

Knotwood 2019

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House Notes – Knotwood

Sustainability Features

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