Waramanga Rammed Earth House 2020

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Location
Waramanga ACT 2611
    • Housing Type:
    • Standalone House
    • Project Type:
    • New Build
    • Builder
    • 360 Building Solutions
    • Designer
    • Architecture Republic

About Waramanga Rammed Earth House

Built on a vacant ‘Mr Fluffy’ block, this comfortable, 8.8 star solar passive house is designed to maximise the northerly aspect to the backyard. It is built around a spine of rammed earth which is not only beautiful, but also provides thermal mass to stabilise inside temperatures at between 20-22 degrees through both summer and winter. It is well insulated, including pro-clima wrapping to minimise drafts and air leakage. With a large north-facing deck and pergola of recycled timber and beams, gradually being wrapped in grape vines, the sun pours in during winter, but doesn’t come inside during summer, making it incredibly comfortable year-round.

The house is all-electric with a 9.6kW solar system and 9kw LGchem battery system, making it energy positive for all but the coldest months. Heating is via solar heat pump hydronic heating in the insulated slab. The insulation and design means no heating is needed upstairs. Hot water comes from an efficient heat-pump to minimise energy use. Ceiling fans cool the living areas and bedrooms and large doors and windows give good cross-ventilation to purge hot air.

Recycling was a key part of our plan – as well as the deck and pergola, the outside features recycled bricks, and the inside timber stairs and balustrade made from remachined blackbutt roofing joists with gum veins and nail holes. Even the chook shed is built from repurposed old decking boards. The garden is settling in, featuring a water-efficient native front garden and a productive backyard (watered from the 4,000L rainwater tank, which is also plumbed to the laundry and toilets).

A representative of the architecture firm, from Architecture Republic, who designed this home will participate in the tour. Built by 360 Building Solutions

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SUSTAINABLE FEATURES

Years Open
2019
2020
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 chimney
      Thermal mass
    • Active heating cooling:
    • Ceiling fans
      Heat pump
      Solar hydronic

    • Active heating cooling:
    • Ducting between upstairs and master bedroom to shift warm air during winter months.
    • Water heating:
    • Hot water heat pump
      Water heated by PV system
    • Water harvesting and saving features:
    • Low flow shower heads
      Low flow taps
    • Average water consumption per day:
    • 90L
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Window Protection:
    • Automation/controls
      Deciduous tree/vegetation
      Honeycomb blinds
      Shade Sails

    • Window Protection:
    • Designed around northern aspect with eaves extended to avoid summer sun while allowing winter solar gain.
SUSTAINABLE & RECYCLED MATERIALS
    • Recycled and reused materials:
    • Recycled spotted gum for internal staircase, vanity and other timber features. Pergola and deck to front and rear built from recycled timber beams and decking.
    • Recycled and reused materials:
    • Bricks
      Cladding
      Decking
      Timber

INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      Ceiling
      Internal walls
      External walls
      Floor

    • Ceiling Type:
    • Bulk – glass wool
    • Ceiling Rating:
    • R5.0
    • Floor Type:
    • Bulk - polystyrene board
    • Floor Rating:
    • R1.8
    • Under Roof Insulation Rating:
    • R1.5
    • Internal Walls Insulation Type:
    • Bulk – glass wool
    • Internal Walls Insulation Rating:
    • R1.5
    • External Walls Rating:
    • R2.8
    • External Walls Type:
    • Bulk – glass wool
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Energy star rating:
    • 8.8
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
    • Size of PV system:
    • 9.6kW
    • Average Daily Energy Consumption:
    • 4kWh
COSTS AND COST SAVINGS
    • Estimate of annual savings:
    • $5,000
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 197m2 of living space, plus garage and workshop.
    • Roof
    • Metal (Colorbond)
    • Wall Materials
    • Brick veneer
      Lightweight construction (timber frame)
      Rammed earth

    • Window and Door Types
    • Low-e, films
      Triple glazing

    • Window and Door Types
    • Triple glazed, timber-aluminium composite external windows and doors throughout
    • Universal Design Features
    • 80cm minimum door opening width
      Flush thresholds (no lip) to all external doors
      Hobless showers
      Lever handles for doors (no knobs)
      Minimum 110cm wide hallways
      No Corner cupboards
    • Number of bedrooms
    • 3
    • Number of bathrooms
    • 2
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Chickens
      Composting
      Drip irrigation
      Edible garden
      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
    • Airtight house design
      Cabinet design to minimise dust collection
      Cross flow ventilation
      Indoor plants for air filtration
      Low VOC paints/sealer/varnish
      Natural light and ventilation

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