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Multi-unit developments in Knox

If you’re planning to build more than one dwelling on a residential lot in Knox, you must meet planning requirements under local and state planning controls. These include zoning rules, overlays and design, amenity and sustainability standards. 

Planning controls

The following matters will affect the suitability of your residential land for any multi-unit development:  

  • The size, location and constraints of the land
  • The zone and overlays covering the land
  • Any restrictions, easements covenant or agreements on the Certificate of Title.

It is recommended that you engage a professional such as an architect, draftsperson or planning consultant familiar with making planning permit applications to assist you in the preparation of the relevant documentation. 

Townhouse and Low-rise Code

The Townhouse and Low-Rise Code replaces ResCode at Clause 55 of the Planning Scheme.  The new code for the assessment of multi-unit developments up to and including three storeys, commenced in March 2025.  There are separate design standards that also apply for apartment building over 4 storeys. 

Key requirements of the Townhouse and Low-rise Code include:

  • setbacks, building height and siting
  • minimum garden area and open space
  • tree canopy coverage and landscaping
  • vehicle access and parking
  • waste and stormwater management
  • energy efficiency and environmental sustainability. 

Vegetation and open space

It is recommended that you retain significant trees and existing vegetation where possible and provide enough open space to support root systems.

A Landscaping Plan, showing trees to be retained and removed and all planting must be submitted with your application to demonstrate how the proposed development complies with the design Standard at Clause 55.02-7 of the Code.

For recommended local planting lists, download our Landscape Guidelines

Drainage

A Stormwater Management Plan and certificate showing how the proposal complies with the design Standard at Clause 55.05-1 should be submitted with your application.

Stormwater information such as the location of the Legal Point of Discharge and permissible site discharge rates (PSD) can be obtained by requesting a Stormwater Information Report from our Stormwater Team.

It is recommended that you also check with Council's Stormwater Team about whether your site is subject to flooding issues. Even if your land is not covered by a flood overlay, it may be affected by localised flooding that may impact your building floor levels. 

Next steps

When you're ready to apply, you can ask online for pre-application advice.

Check you've got everything you need with our multi-unit development handout.

Download the Townhouse and Low-rise Code written statement template

Register for online services

Lodge and pay for your planning application online

Need help?

Contact Planning Services and we will get back to you.

Or call our Planning Services team on 9298 8125.

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