Contexture Studio House 2021

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House Notes – Contexture Studio House

Two architects renovated a post-war family home and studio on a sloping block opposite Brisbane’s Enoggera Creek, mitigating flood and bushfire attack risks through its raised profile and resilient design. The house’s social front faces a busy running and cycle route, offering great opportunities for active engagement with community.

The Brisbane City Plan 2014 was developed following the January 2011 floods, raising the minimum habitable floor level of new residences in the vicinity of waterways. Addressing these requirements created generous undercroft space with shaded welcoming and entertaining zones. Flood corridor modelling confirmed the design’s compliance and resilience, with freely draining undercroft spaces including concrete floors and walls of blockwork and FC sheeted horizontally with GPO’s mounted above 1500mm.

A modest ground level entrance room launches the central stairs allowing ventilation stack effect, passively cooling the house. By creating interactive building edges through new verandas, internal outdoor rooms with stacking feature windows and bridges alongside voids, the envelope responds to the environment, connects with the natural surrounds, and transitions public and private space.

Three decks provide over 30% of the total floorplate, with a variety of spaces for accessing year-round outdoor living. 10 ceiling fans encourage cooling air movement, complementing the extensive louvre windows. Angled skylights, sunshading hoods and selective use of Low-E glass enables generous protected views to surrounding parkland.

The PV array and Powerwall battery provide over 75% of the electricity, back-up resilience, and reduced peak grid demand. The street gas connection was removed, with hot water via the roof-top solar system. There’s no clothes drier as two clothes lines provide weather-exposed and undercover year-round options.

The edible garden, including a bee hive and chicken coop, is irrigated by the rainwater tank which is also plumbed to the toilets, washing machine and rooftop for solar panel wash-downs.

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
      Deciduous planting around house
      External planting
      Passive solar designed home
      Shading
      Thermal mass
    • Active heating cooling:
    • Ceiling fans
      Heat pump
      Split system airconditioner
    • Water heating:
    • Hot water heat pump
      Solar hot water (flat panel)
    • Water harvesting and saving features:
    • Rainwater storage - Above ground
      Low flow shower heads
      Low flow taps
    • Average water consumption per day:
    • 0.24kL
    • Above ground rainwater storage Type:
    • Water tank
    • Above ground rainwater storage Size
    • 5,000L
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
      Skylight
    • Window Protection:
    • Adjustable Shading
      Blinds
      Deciduous tree/vegetation
      Drapes/curtains
      Eaves
      External window hoods/surrounds
      Louvres
      Shutters
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Spotted gum cladding (left to grey off)
    • Recycled and reused materials:
    • Concrete
      Doors
      Floorboards
      Glass
      Insulation
      Windows
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Under-roof
      Ceiling
      Internal walls
      External walls
      Floor
    • Ceiling Type:
    • Bulk – glass wool
    • Ceiling Rating:
    • 3.1
    • Floor Type:
    • Bulk - glass wool
    • Floor Rating:
    • 3.1
    • Under Roof Insulation Type:
    • Bulk – polystyrene board
    • Under Roof Insulation Rating:
    • 4.6
    • Internal Walls Insulation Type:
    • Bulk – glass wool
    • Internal Walls Insulation Rating:
    • 2.5
    • External Walls Rating:
    • 2.7
    • External Walls Type:
    • Bulk – glass wool
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
    • Size of PV system:
    • 6.9
    • Average Daily Energy Consumption:
    • 7.75
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • $850k 2019
    • Cost estimate of sustainable home/features:
    • $20,000
    • Estimate of annual savings:
    • $3,400
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 224 m2 enclosed & 110 m2 decks
    • BAL Rating
    • BAL – Low: There is insufficient risk to warrant specific construction requirements
    • Roof
    • Metal (Zincalume)
    • Wall Materials
    • Concrete blocks
      Lightweight construction (timber frame)
      Timber
    • Window and Door Types
    • Bi Fold
      Casement
      Clerestory windows
      Louvre windows
      Low-e, films
      Skylights
      Sliding windows/doors
      Stacking windows/doors
      180 degree opening doors
    • Universal Design Features
    • 80cm minimum door opening width
      Hobless showers
      Lever handles for doors (no knobs)
      Loud doorbell/connected to flashing light
      Minimum 110cm wide hallways
      No Corner cupboards
      Power points at 60cm above floor level and 50cm from internal corners
      Rocker style light switches
      Slip resistant flooring
    • Number of bedrooms
    • 5
    • Number of bathrooms
    • 3
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Bee keeping
      Chickens
      Composting
      Edible garden
      Local indigenous plants
      Organic
      Native plants
      Water wise plants
    • Waste Reduction Practices:
    • Compost all food scraps
      Pickle and preserve food
      Recycle
HEALTHY HOME FEATURES
    • Healthy home features
    • Cabinet design to minimise dust collection
      Carpet free - tiles/concrete/timber flooring throughout
      Cross flow ventilation
      Natural light and ventilation
Location
Ashgrove QLD 4060
    • Housing Type:
    • Standalone House
    • Project Type:
    • Renovation
    • Builder
    • Rynders Constructions Pty Ltd
    • Designer
    • contexture pty ltd

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