Towen Mountain 2019

Towen Mountain

*Please note our drive way is single lane and vehicles are unable to pass. If you could please park on the grass as you enter our driveway, the house is a 400m walk down the steep bitumen. For anyone with difficulty walking please drive directly to the house for parking.

Our aim has been to create a low-cost, modest house that will be our forever home. The initial dream of repurposing an old Queenslander to the site was thwarted by strict fire zoning; a novice mistake made when we fell in love with the land and had not considered the consequences of where we wanted the house to be situated.

The eventual outcome of the fire-zoning principles created an opportunity for us to build our own modest, low-cost owner-built home – a steel-framed kit house.

Our home sits on the edge of our 14 acres, placing us as far from the main road as was physically possible. Placed on the highest elevation of our land, we have been able to maximise both cooling breezes for summer and a northerly aspect for our solar energy and warmth in winter. We are completely off-grid for water and power, having never been connected to local services. Our ambition has been to harvest as much rainfall as we possibly could from limited roof space, hence a 90,000L concrete water tank for storage was built in situ, and in the future it will be the foundation of our outside kitchen area surrounded by vegetable gardens.

Our aim was to be in harmony with nature and keep energy usage to a minimum, hence no air conditioning and a modest 138m2 footprint with 89m2 internal living space. Our lighting and fridge are all 24V, with an inverter suppling 240V for all other electrical needs powered by 12 solar panels (2.4kW). Our hot water is provided by a 300L rooftop solar system, which is backed up by an instant gas unit running off an 8.5kg LP gas bottle, which also supplies our cooking stove. Our composting toilet and naturally filtered greywater system minimises water requirements and our impact on the environment. We hope eventually to redirect greywater from trenches to a reed pond that will provide habitat for native frogs.

The house was finally completed in 2017, after five years of working full-time and building on weekends – whilst living on-site.

For the last twelve months we have started to design and create our permaculture gardens, we have in place the first stage of design with our veggie gardens providing us ample food supplies. The next stage will be to increase the m2 of this area, build our natural swimming pond and our develop our habitat for wildlife.

Our future plans include working with Land for Wildlife to regenerate native bushland, helping to provide a safe natural environment that will support our native fauna and flora.

Donations taken on the day will go to Permaculture Noosa and Yandina Community Gardens

Sustainability Features

Years Open
2018
2019
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Draught proofing
      Efficient lighting
      Efficient appliances
      Energy monitoring
    • Passive heating cooling:
    • Passive solar designed home
    • Water heating:
    • Solar hot water (flat panel)
    • Water harvesting and saving features:
    • Above ground rainwater storage
      Grey water system
    • Above ground rainwater storage Type:
    • Concrete tank with trafficable lid
    • Above ground rainwater storage Size
    • 90,000L
    • Storage connected to
    • Whole house
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Electric Vehicle Type
    • Tesla Model 3 EV will be on show, courtesy of the Australian Electric Vehicle association
    • Window Protection:
    • Awnings (external)
      Blinds
      Drapes/curtains
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Modwood composite decking which is 90% recycled milk bottles and 10% sawdust by-product, also has the benefit of being the only decking that met the BAL40 fire rating requirements
    • Recycled and reused materials:
    • Appliances
      Basins/sinks
      Bathroom cabinets
      Kitchen cabinets
      Pallets
      Sleepers
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      Ceiling
      Internal walls
      External walls
    • Ceiling Type:
    • Bulk – glass wool
    • Under Roof Insulation Type:
    • Aircell reflective foil
    • Internal Walls Insulation Type:
    • Bulk – glass wool
    • External Walls Type:
    • Aircell reflective foil with glass wool batts
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • No
    • Renewable energy used:
    • Solar PV off-grid
    • Size of PV system:
    • 2.4kW
    • Average Daily Energy Consumption:
    • <2.5kwhr per day
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • $150,000 approx. (built in 2017) for house materials, including kit, electrical, plumbing, etc.
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 138m2 footprint, 89m2 internal living space
    • BAL Rating
    • BAL – FZ: Direct exposure to flames from fire front in addition to heat flux of greater than 40kW/m2 and ember attack
    • Roof
    • Metal (Zincalume)
    • Wall Materials
    • Lightweight construction (steel frame)
    • Window and Door Types
    • BAL40 fire-rated sliding windows and doors
    • Universal design accessability
    • Adaptive design
    • Universal Design Features
    • 80cm minimum door opening width
      Lever handles for doors (no knobs)
    • Number of bedrooms
    • 3
    • Number of bathrooms
    • 1
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Bee keeping
      Bee hotels/friendly
      Chickens
      Composting
      Edible garden
      Green walls
      Organic
      Permaculture
      Native plants
    • Waste Reduction Practices:
    • Compost all food scraps
      Recycle
      Repair
      Swap with friends and neighbours
HEALTHY HOME FEATURES
    • Healthy home features
    • Indoor plants for air filtration
      Natural fibre furnishings
      Natural light and ventilation
      No carpets
Location
Towen Mountain QLD 4560
    • Housing Type:
    • Standalone House
    • Project Type:
    • New Build
    • Builder
    • Owner
    • Designer
    • Steel-frame kit home from Mecano, Gympie

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