Wamboin Straw (Sold House) 2018

House Notes – Wamboin Straw (Sold House)

This house has been sold and unlikely to open again in the future.

Our owner-built home is close to super-insulated, with:

  • Load-bearing strawbale walls that are estimated to be R6.0 – R9.0
  • R8.0 insulation in the ceiling under a colorbond roof
  • Some mudbrick internal walls for thermal mass, with R2.0 insulation in every other internal wall to minimise noise and increase comfort
  • Triple-glazed windows
  • A layout that allows for good cross-ventilation
  • A heat exchanger and reverse cycle air conditioner available, but rarely used
  • Wood heater for winter comfort
  • Raked ceiling to collect summer heat and let it out through a double-glazed skylight window
  • Solar tube hot water
  • Solar 3.72kW JA 310 Enphase 250 micro-inverter system
  • Laminated floors in the bedrooms for comfort, with tiles in the other areas for durability and ease of maintenance.

The inside temperature during the last year has been between 17 and 24 degrees, mostly without any heating or air conditioning, and in a very windy location at 800m. The house has four bedrooms and a study; the property also has:

  • A 2.5m-wide veranda with excellent shading around most of the house
  • Leafless guttering to minimise fire risk
  • 120,000L water tank
  • A worm farm for sewerage
  • A roof area for water collection that, including the shed, is 500m2.

All on a 10-acre block 25 minutes from Canberra.

Note on getting here: Don’t use Newington Road (GPS is wrong)! Find Denley Drive, then Birchmans Grove and, finally, Sarah Reef Road.

If you are interested in buying this house, click here.

Sustainability Features

Years Open
2013
2017
2018
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Draught proofing
      Efficient lighting
    • Passive heating cooling:
    • Cross-ventilation
      Shading
    • Active heating cooling:
    • Heat exchange ventilation system
      Heat pump
    • Water heating:
    • Solar hot water (evacuated tube)
    • Water harvesting and saving features:
    • Above-ground rainwater storage
      Low-flow shower heads
      Low-flow taps
    • Above ground rainwater storage Type:
    • Concrete tank
    • Above ground rainwater storage Size
    • 120,000L
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Strawbale walls and some internal mudbrick walls
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Ceiling
    • Ceiling Type:
    • Plasterboard with glass wool insulation
    • Ceiling Rating:
    • R8.0 (2 x R4.0)
    • Internal / External Walls Type:
    • External strawbale, some internal mudbrick
    • Internal / External Walls Rating:
    • R6.0 – R9.0
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Solar PV grid-connected
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 280m2
    • Wall Materials
    • Mudbrick
      Strawbale
    • Window and Door Types
    • Low-e, films
      Triple glazing
    • Number of bedrooms
    • 4
    • Number of bathrooms
    • 2
Location
Wamboin NSW 2620
    • Housing Type:
    • Standalone House
    • Project Type:
    • New Build
    • Builder
    • Owner

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