Hutt 01 2021

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House Notes – Hutt 01

We are architects and designers, specialising on sustainable homes. We finally had an opportunity to build our very first own home, and we went full steam ahead. The house has not only been showcased on Grand Designs Australia, but it is also designed to be a ShowCase home in itself : We love the idea of net zero energy homes, and we are always trying to convince everyone that that is the way into the future, so this was a great opportunity to show one. The home is a passive house with lots and lots of experimental and exciting features, from the eco garden aquaponics system via CLT structure and passive house technology to a green roof and an (almost) off-the-grid-electricity system with Solar PV and batteries. So exciting !

SUSTAINABILITY FEATURES

Years Open
2021
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Draught proofing
      Efficient lighting
      Efficient appliances
      Energy monitoring
      Smart home features
    • Passive heating cooling:
    • Cross ventilation
      Heat recovery ventilation system
      Passive solar designed home
      Shading
      Thermal mass
    • Active heating cooling:
    • Heat exchange ventilation system
      Heat pump
    • Water heating:
    • Hot water heat pump
    • Water harvesting and saving features:
    • Rainwater storage - Above ground
      Stormwater management
      Low flow shower heads
      Low flow taps
      Hot water recirculation
      Drip irrigation
    • Average water consumption per day:
    • Not sure yet
    • Above ground rainwater storage Type:
    • Kingspan Slimline corrugated iron and Oztanks super-slim
    • Above ground rainwater storage Size
    • over 10,000 L
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
      Skylight
    • Window Protection:
    • Adjustable Shading
      Automation/controls
      Awnings (external)
      Blinds
      Deciduous tree/vegetation
      External window hoods/surrounds
      Roller doors
      Shutters
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • (1) Passivehouse Standard (currently undergoing certification process), (2) Heat Recovery Ventilation System (Zehnder), (3) CLT (Cross Laminated Timber : Mass timber construction), internally exposed/whitewashed in many areas with natural oil finish, (4) Natural woodfibre insulation, added to by high performance insulation where required to minimise thermal bridging, (5) Passivehouse doors and windows, (6) Airtightness and vapour control layers in walls, (7) green roof, (8) Internal green wall as well as integrated planters, (9) environmentally friendly concrete with 70% cement replacement, (10) E0 OSB, (11) FSC certified engineered oak floors with natural oil finish and cradle to cradle (bronze) certification, (12) Heat Pump Hot Water (Hydrotherm), (13) Solar PV (Australian made Tindo panels) and battery, (14) Aquaponics kitchen garden with fishpond, (15) Heat Pump Kitchen/Laundry appliances with high efficiency, (16) Zypho shower water heat recovery (17) LED lighting throughout
    • Recycled and reused materials:
    • Aggregate
      Bricks
      Concrete
      Decking
      Metal sheeting
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      External walls
      Floor
    • Floor Type:
    • Woodfibre Insulation
    • Floor Rating:
    • 4.6
    • Under Roof Insulation Type:
    • Woodfibre Insulation
    • Under Roof Insulation Rating:
    • 4.9
    • External Walls Rating:
    • 4.3
    • External Walls Type:
    • Woodfibre Insulation
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
    • Size of PV system:
    • 10.8
    • Average Daily Energy Consumption:
    • 5
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • 1.5m (2021)
    • Cost estimate of sustainable home/features:
    • 50000
    • Estimate of annual savings:
    • 5000
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 180
    • BAL Rating
    • No BAL rating requirements at time of construction
    • Roof
    • Green roof
      Metal (Colorbond)

    • Roof
    • Solid Metal (Alum) Standing Seam Cladding
    • Wall Materials
    • (1) like brick veneer but with CLT plus membranes to passive house standard instead, and (2) the same but with the metal cladding and extra insulation
    • Window and Door Types
    • Low-e, films
      Skylights
      Sliding windows/doors
      Tilt and turn
      Triple glazing
    • Universal Design Features
    • 80cm minimum door opening width
      100cm minimum door opening width
      Hobless showers
      Lever handles for doors (no knobs)
      Minimum 110cm wide hallways
      Shower head on rail for various heights
      Slip resistant flooring
      Tapware to be easily accessed from outside the shower
    • Number of bedrooms
    • 4
    • Number of bathrooms
    • 3
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Aquaponics
      Drip irrigation
      Edible garden
      Green roof
      Green walls
      Local indigenous plants
      Native plants
    • Waste Reduction Practices:
    • Recycle
HEALTHY HOME FEATURES
    • Healthy home features
    • Airtight house design
      Automated ventilation system
      Cabinet design to minimise dust collection
      Cross flow ventilation
      Heat recovery ventilation (HRV)
      Indoor plants for air filtration
      Lime render/wash
      Low VOC paints/sealer/varnish
      Natural light and ventilation
      Natural oil sealer/finishes
      Wax based sealer/finish
Location
Coburg VIC 3058
    • Housing Type:
    • Standalone House
    • Project Type:
    • New Build
    • Builder
    • Home by Hutt / Felicity & Marc Bernstein
    • Designer
    • Melbourne Design Studios (MDS)

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