Landscape

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Garden and lawn

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Showing landscaping on plans

Sample landscape diagram showing areas of lawn, garden and indigenous/low water use plant speciesAreas of lawn, garden and, if nominated, areas of indigenous/low water use plant species MUST be indicated on your development application plans.

If nominating indigenous/low water use plant species, a landscape plan listing individual plant species MUST be submitted with the development application.

 

 

Large tree with 30cm trunk diameter at 1 metre above the ground and a ground area of 4m²For garden areas containing large existing trees, a maximum ground area of 4m² per tree, located directly underneath the tree, can be nominated as low water use. This applies to any tree species, provided the existing trunk size of the tree is greater than 30cm diameter, measured at 1 meter above ground level.

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Irrigating Common Landscape Areas

Allocating common landscape areas to central alternative water systems.

As the central water tanks or recycled water system may not be able to provide alternative water to all common landscape areas you will need to tell BASIX the area of common landscape that will be serviced by each central system.

areacommonlandscape

Measuring garden area

All areas of lawn and garden included in your development must be on your development application plans.

BASIX requires you to enter your total area of lawn and/or garden as measured directly from the development application plans and this is the area in square metres nominated as lawn and/or garden beds, including any areas of indigenous/low water use plant species.

Two methods for measuring landscape area:

  • Method 1: for all sites
  • Method 2: for all site areas in Water Target Zones 0, 10, 20, 30, and areas >1000m2 in Water Target Zone 40. (Not available for sites < 1000 m² in Water Target Zone 40.)

Method 1

For Landscape Area Method 1, the total area is the entire pervious vegetated area. This includes:

  • areas of existing plantings
  • areas to be turfed or existing lawn
  • area of low-water-use plant species
  • areas contained within permanent planter boxes (i.e. planter boxes that cannot be moved)
  • irrigated 'vertical gardens' or vegetated walls
  • vegetable patches and/or fruit trees
  • areas disturbed during the building process, which will be replanted

Do not include:

  • areas of your garden that will be landscaped with hard surfaces (such as rocks in rock gardens)
  • vertical areas of vegetated surfaces (e.g. Trellised plants, climbers)
  • areas of movable pot plants

Diagram of Landscape Area Method 1 - applies for all sites with area < 1000m2 in water target zone 40Landscape Area Method 1 - applies for all sites with area < 1000m2 in water target zone 40



 

Method 2

For Landscape Area Method 2, the total area is limited to the formal garden and lawn area. This includes:

  • areas of existing plantings
  • areas to be turfed or existing lawn that will be actively maintained
  • area of low-water-useplant species
  • areas contained within permanent planter boxes (i.e. planter boxes that cannot be moved)
  • irrigated 'vertical gardens' or vegetated walls
  • vegetable patches and/or fruit trees
  • areas disturbed during the building process, which will be replanted
Diagram of Landscape area Method 2 - applies for all site areas in water target zone 0, 10, 20, 30 as well as sites >1000m2 in target zone 40Landscape area Method 2 - applies for all site areas in water target zone 0, 10, 20, 30 as well as sites >1000m2 in target zone 40

Method 2 excludes the same areas as Method 1, but also:

  • areas of naturally existing vegetation
  • rural land uses such as pasture or paddock
  • Asset Protection Zones (APZ) for bush fire protection
  • wastewater/effluent disposal areas, as required by Council, for sites that have onsite sewerage management systems

 

In the single dwelling tool if no garden area is nominated for your development BASIX will calculate outdoor water use based on an assumed garden area relative to the size of your site and the footprint of your proposed development.

Landscaped area of dual occupancy and secondary dwelling (granny flats):

Please refer to the apportionment guidelines here to determine the landscaping area associated with the proposed dwelling on a site with an existing dwelling.

Alternatively, if the proposed dwelling on a site with an existing dwelling contains only 1 bedroom, you may specify “0” or a small value as the area of garden and lawn. However, you will need to apply to have this adjustment made to your BASIX project through alternative assessment. Please contact the BASIX helpdesk for more details. 

Low water use plant species

Low water use species

Low water use species means a species of vegetation identified as a 'one drop plant' under Sydney Water's Plant Selector Water Drop Rating Scheme (available at www.sydneywater.com.au), or a species of vegetation which the local council for that area deems is a low water use species in that area. These can include Indigenous species that are suited to the environment and climatic conditions of the area.

Indigenous species

Indigenous species means a species of vegetation identified in a local council list as being indigenous to the land on which the proposed development is to be carried out (available by pdf download below), or a species of vegetation which the local council for that area deems is an indigenous species in that area.

Low water use/indigenous species by LGA

Click on your LGA name to view a list of species deemed appropriate for that area. Lists are in PDF format.

Albury City Council Fairfield City Council Mosman Municipal Council
Ashfield Municipal Council Griffith City Council North Sydney Council
Auburn Council Hawkesbury City Council Parramatta City Council
Bankstown City Council Holroyd City Council Penrith City Council
Bathurst Regional Council Hornsby Shire Council Pittwater Council
Baulkham Hills Shire Council Hunters Hill Municipal Council Port Macquarie Council
Blacktown City Council Hurstville City Council Randwick City Council
Blue Mountains City Council Junee Shire Council Richmond Valley Council
Botany Bay City Council Kiama Municipal Council Rockdale City Council
Burwood Council Kogarah Municipal Council Ryde City Council
Byron Shire Council Ku-ring-gai Council Strathfield Municipal Council
Camden Council Lane Cove Municipal Council Sutherland Shire Council
Campbelltown City Council Leeton Shire Council Sydney City Council
Canada Bay City Council Leichhardt Council Warringah Council
Canterbury City Council Liverpool City Council Willoughby City Council
Coffs Harbour City Council Manly Council  Woollhara City Council
Cootamundra Shire Council Marrickville Council Wollongong City Council

If your LGA is not listed in the table above, you need to contact your local council for a list of low water demand and/or indigenous species which they will accept as part of a landscape plan to meet your BASIX water commitments.

You should also consider the suitability of species selected for your site in terms of soil type, exposure, shade, mature plant height, and on-going maintenance issues such as the potential impact on sewerage services. Further information is available from your local council and the Sydney Water plant selector.

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