Flexi Home 2021

This profile is written and maintained by the homeowner, architect, or builder.

House Notes – Flexi Home

Our student team wanted to re-think the current approach to urban living Melbourne. Our compact, flexible and sustainable home addresses issues like urban sprawl, intensive energy consumption and inaccessible living arrangements for those with a disability. It was driven by our desire to preserve the natural environment and promote social inclusion. The result is a design which considers both the future needs of its residents and society as a whole.

One of the key features of the Flexi-Home is that it can adapt to the needs of its occupants at various stages of their life. It contains two independent residencies which are internally linked, allowing the building to be used as single (3 bedroom) residence when desired. This means it can function as a family home or allow the owners to occupy one of the residences – using the other to accommodate their adult children, a carer or as a source of income. The primary residence is completely flat and includes many universal design features. This means it can support elderly occupants and people with a disability. The second residence allows for a carer to live close to the primary residents if needed.

Minimising the Flexi-Home’s environmental impact was also important to our team. By using passive house principles, energy efficient building systems and onsite PV electricity generation, the house achieved a HERS rating of -20 and is net zero energy. Additionally, we selected low carbon footprint and low embodied energy materials where possible, such as Weathertex for the exterior cladding. We also included a high capacity grey water system to minimise water wastage.

SUSTAINABILITY FEATURES

Years Open
2021
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Efficient lighting
      Efficient appliances
      Smart home features
    • Passive heating cooling:
    • Cross ventilation
      Deciduous planting around house
      External planting
      Heat recovery ventilation system
      Shading
    • Active heating cooling:
    • Heat pump
    • Water heating:
    • Hot water heat pump
    • Water harvesting and saving features:
    • Rainwater storage - Above ground
      Grey water system
    • Average water consumption per day:
    • 130
    • Above ground rainwater storage Type:
    • Water tank
    • Above ground rainwater storage Size
    • 2000
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Window Protection:
    • Automation/controls
      Awnings (external)
      Blinds
      Deciduous tree/vegetation
      Drapes/curtains
      External window hoods/surrounds
SUSTAINABLE & RECYCLED MATERIALS
    • Recycled and reused materials:
    • Floorboards
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      Internal walls
      Floor
    • Floor Type:
    • Bulk - natural wool
    • Floor Rating:
    • R1.1
    • Under Roof Insulation Type:
    • Combination of Extruded Polystyrene and Earthwool Batt
    • Under Roof Insulation Rating:
    • R5.3
    • Internal Walls Insulation Type:
    • Combination of Extruded Polystyrene and Earthwool Batt
    • Internal Walls Insulation Rating:
    • R4.2
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
    • Size of PV system:
    • 8kW
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • 425000
    • Cost estimate of sustainable home/features:
    • 45000
    • Estimate of annual savings:
    • 3942
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 150 m2
    • BAL Rating
    • No BAL rating requirements at time of construction
    • Roof
    • Metal (Galvanised)
    • Wall Materials
    • Earthwall
      Timber
    • Window and Door Types
    • Double glazing
      Sliding windows/doors
    • Universal design accessability
    • Multi-generational
      Wheelchair accessible
    • Universal Design Features
    • 80cm minimum door opening width
      Contrasting colours and material for vision impaired
      Hobless showers
      Kitchen bench/table for wheelchairs to access (75-85cm high)
      Minimum 110cm wide hallways
      Remote power open and close doors
      Self closers to all external doors
      Space around toilets for ease of access in wheelchairs
      Strong fittings like towel rails that can be used as hand rails
      Window openings easily accessible

    • Universal Design Features
    • Garage for easy access Mid-height ‘slide & hide’ Cut away kitchen sink
    • Number of bedrooms
    • 3
    • Number of bathrooms
    • 2
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Edible garden
      Local indigenous plants
      Native plants
      Water wise plants
HEALTHY HOME FEATURES
    • Healthy home features
    • Carpet free - tiles/concrete/timber flooring throughout
      Cross flow ventilation
      Heat recovery ventilation (HRV)
      Indoor plants for air filtration
      Natural light and ventilation
Location
Middle Park VIC 3206
    • Housing Type:
    • Standalone House
    • Project Type:
    • Digital Design
    • Open with support of
    • Monash Solar Decathlon Team
    • Designer
    • Monash Solar Decathlon Team

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