The Barn 2019

Address
Warradale SA 5046
HOUSE DETAILS
    • Housing Type:
    • Standalone House
    • Builder
    • Keystone Carpentry
    • Designer
    • SUHO Studio

We wanted a truly passive house with a simple modern look. It had to be comfortable everyday of the year without any air-conditioning or heating, even in the most brutal heat waves and the coldest depths of winter. Using natural or renewable materials and waste products was also very important. For us the best way to achieve all of this was building with strawbale, but we didn’t want the cottage look. Using clever design and skilled tradesmen we have the thermal, ecological, and health benefits of strawbale construction, and have a modern, beautiful home.

The house is all electric with no gas connection (and no gas bill). We have an induction cooktop, efficient dishwasher and fridge, and an old style (inefficient) storage hotwater heater that heats during the day using electricity from our house solar system. Other appliances are standard. We export many times more power than we use from our solar and haven’t had a bill yet, only credits.

We are on a relatively small block of 400 square meters and wanted to have as much garden as possible so have only installed two 5000L rainwater tanks. These are plumbed directly to the house and require about a 10 to 15mm rainfall event to fill. The tank water will provide all of our water needs for a large portion of the year, but we will be on mains water in dry periods. We also have a greywater system (not yet connected) which will provide most of the garden’s water needs when we shower.

Some of the house features are-

  • Uncompromising solar passive design
  • Clerestory windows (excellent for passive cooling)
  • Coloured exposed concrete floor
  • Strawbale external walls (internal stud walls with gyproc)
  • Clay internal wall render on bales, lime external render
  • Cob filled internal thermal mass central wall with clay render
  • Wooden double glazed windows
  • Wood and granite bench tops
  • Mezzanine storage area in garage
  • 6.6KW solar system
  • 10,000L of rainwater tanks plumbed to whole of house
  • Outdoor hot shower under the gumtree

The house is still a work in progress and the garden hasn’t been planted yet. Hopefully in a year or two the grape vines will cover the pergola giving us summer shade on our northern windows. We would love to show you around our house and talk through any questions you have. Living in a solar passive house is such a pleasure and easily achievable if you are building or renovating. We coasted through the January summer heatwaves in comfort, even the 47c day. Now it’s winter and we are relaxing in a warm home, with no heating required. You can too if you plan your build well.

Designed by SUHO Studio and built by Keystone Carpentry

Photography by Sweet Lime

 

This house achieved a NatHERS rating of 9 stars using NatHERS accredited software (FirstRate5). Find out how the star ratings work on the Nationwide House Energy Rating Scheme (NatHERS) website.

SUSTAINABLE FEATURES

Years Open
2019
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Draught proofing
      Efficient lighting
      Efficient appliances
      Energy monitoring
      Smart home features
    • Passive heating cooling:
    • Cross ventilation
      Passive solar designed home
      Shading
      Thermal mass
    • Active heating cooling:
    • Ceiling fans
    • Water heating:
    • Water heated by PV system
    • Water harvesting and saving features:
    • Above ground rainwater storage
      Grey water system
      Stormwater management
      Low flow shower heads
      Drip irrigation
    • Above ground rainwater storage Type:
    • Tanks
    • Above ground rainwater storage Size
    • 10,000L (2x 5000L tanks)
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Window Protection:
    • Automation/controls
      Deciduous tree/vegetation
      Drapes/curtains
      Honeycomb blinds
      Pelmets
SUSTAINABLE & RECYCLED MATERIALS
    • Recycled and reused materials:
    • Doors
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      Ceiling
      Internal walls
      External walls
    • Ceiling Type:
    • Bulk – glass wool
    • Ceiling Rating:
    • R4.0
    • Under Roof Insulation Type:
    • permastop foil backed blanket
    • Under Roof Insulation Rating:
    • R1.4
    • Internal Walls Insulation Type:
    • Bulk – glass wool
    • Internal Walls Insulation Rating:
    • R2.5
    • External Walls Rating:
    • R10.0
    • External Walls Type:
    • Straw (stawbale walls)
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Energy star rating:
    • 9 Stars
    • Renewable energy used:
    • Solar PV grid connect
    • Size of PV system:
    • 6.6kW
COSTS AND COST SAVINGS
    • Estimate of annual savings:
    • $4000
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 147m2
    • Roof
    • Metal (Colorbond)
    • Wall Materials
    • Cob construction
      Lightweight construction (timber frame)
      Strawbale
      Timber
    • Window and Door Types
    • Awning
      Clerestory windows
      Double glazing
      Sliding windows/doors
      Other
    • Window and Door Types
    • Casement
    • Universal design accessability
    • Adaptive design
      Multi-generational
    • Universal Design Features
    • 80cm minimum door opening width
      Hobless showers
      Lever handles for doors (no knobs)
      No Corner cupboards
      Tapware to be easily accessed from outside the shower
    • Number of bedrooms
    • 2
    • Number of bathrooms
    • 2
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Chickens
      Drip irrigation
      Edible garden
      Organic
      Permaculture
      Native plants
    • Waste Reduction Practices:
    • Compost all food scraps
      Recycle
      Repair
      Swap with friends and neighbours
HEALTHY HOME FEATURES
    • Healthy home features
    • Airtight house design
      Cross flow ventilation
      Indoor plants for air filtration
      Lime render/wash
      Low VOC paints/sealer/varnish
      Natural fibre furnishings
      Natural light and ventilation
      Natural oil sealer/finishes
      No carpets