BASIX categorises projects for assessment into three distinct residential building types:
Definitions of these dwelling types can be found in our BASIX definitions. If you are unsure which BASIX residential building type applies to your project, you may need to show your building plans to the council or PCA.
Single Dwelling
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Multi dwelling
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Alterations and Additions
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Single house on one lot
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Bungalow
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One part of semi-detached home
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Cottage
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Secondary dwelling
(Granny flat) (change of use or next to existing principal dwelling)
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Townhouse
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Row house
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Terrace
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Residential flat building
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Dual occupancy
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Two houses on one lot
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A new principal dwelling and a new Secondary dwelling (Granny flat)
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Addition to existing house
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Swimming pool
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Basement or an attic
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Sunroom
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Spa room
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Sauna
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Secondary dwelling (Granny flat) (conversion of existing habitable space)
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