Some of our services are closed or have different hours on Anzac Day public holiday on Thursday 25 April 2024.

Assess whether the wall supports excavation

Retaining wall supporting excavation

Retaining walls that support excavation have different constraints to walls that support a filling.


Does the wall support excavation?

  • If yesgo to the next step.
  • If no, you do not need a Building Permit. As long as there are no planning restrictions, you can proceed to construct a wall that supports a filling.  You may now exit this guide.