Forrest Street Passive House 2024

House Notes – Forrest Street Passive House

Welcome to our Forrest Passive House (which is being featured in next month’s Sanctuary Magazine). It’s a home that costs nothing to run due to our solar panels and filters the bad air from the nearby west gate bridge, which has some of the worst air quality in Australia.

The clients have been living in this home for a year now, so they have been able to experience both summer and winter in the home and will be able to explain how they have never turned on their heater!

It’s unique because everyone is starting to understand what a passive house is, but there is little information from client feedback about living in it.

Since this home is just about to be featured, we are hoping people will have a ton of questions to ask us about the design, build, and lived experience. It’s a great chance to pick the brains of experts in the industry and showcase that sustainable homes can be inclusive and look beautiful.

But let’s talk about some facts behind this home:
– this home sits at .41ACH @ 50pascals, 3860% tighter than the average Australian home!
– all of our windows are triple-glazed uPVC
– the heating demand for this home is 13.9kWh/m2a
– the cooling demand for this home is 7kWh/m2a
– we have R9.0 ceiling, R5 wall and R5 floor insulation
– we have installed a Zehnder Q350 HRV for mechanical ventilation
– 6.6kw solar has been installed on the roof
– this is the first Passivhaus in Melbourne’s Inner West
– these are not hypothetical numbers; this is something that is tested and proven!

Very few homes rival the level of detail in this home. From taping complex junctions to thinking about airtightness with every decision we made challenged us in so many ways. We believe this is the ultimate form of a sustainable home.

Sustainability Features

Years Open
2024
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Draught proofing
      Efficient lighting
      Efficient appliances
      Energy monitoring
    • Passive heating cooling:
    • Cross ventilation
      Heat recovery ventilation system
      Passive solar designed home
      Shading
    • Active heating cooling:
    • Ceiling fans
      Split system airconditioner
    • Water heating:
    • Hot water heat pump
    • Water harvesting and saving features:
    • Rainwater storage - Above ground
    • Above ground rainwater storage Type:
    • Poly Tank
    • Above ground rainwater storage Size
    • 3000L
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Window Protection:
    • Honeycomb blinds
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Use of proclima membranes for durability Air tight layer
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Ceiling
      Internal walls
      External walls
    • Ceiling Type:
    • Bulk – glass wool
    • Ceiling Rating:
    • R9
    • Internal Walls Insulation Type:
    • Bulk – glass wool
    • Internal Walls Insulation Rating:
    • R2.5
    • External Walls Rating:
    • R5
    • External Walls Type:
    • Bulk – glass wool
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Solar PV grid connect
    • Size of PV system:
    • 6.6kw
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • $920000 - 2021
    • Cost estimate of sustainable home/features:
    • $920000
    • Estimate of annual savings:
    • $7000 compared to a standard home
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 180m2
    • Roof
    • Metal (Colorbond)
    • Wall Materials
    • Lightweight construction (timber frame)
      Timber
    • Window and Door Types
    • Tilt and turn
      Triple glazing
    • Universal design accessability
    • Adaptive design
    • Universal Design Features
    • 80cm minimum door opening width
      Flush thresholds (no lip) to all external doors
      Hobless showers
      Minimum 110cm wide hallways
      No Corner cupboards
      Shower head on rail for various heights
    • Number of bedrooms
    • 3
    • Number of bathrooms
    • 2
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Composting
      Drip irrigation
      Native plants
      Water wise plants
    • Waste Reduction Practices:
    • Recycle
HEALTHY HOME FEATURES
    • Healthy home features
    • Airtight house design
      Automated ventilation system
      Carpet free - tiles/concrete/timber flooring throughout
      Cross flow ventilation
      Formaldehyde free cabinets
      Heat recovery ventilation (HRV)
      Low VOC paints/sealer/varnish
      Natural light and ventilation
      Natural oil sealer/finishes
      VOC free paints/sealer/varnish
      Wax based sealer/finish
Location
Spotswood VIC 3015
    • Housing Type:
    • Standalone House
    • Project Type:
    • New Build
    • Builder
    • Carland Constructions
    • Designer
    • Altereco Design

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