Planning approval in NSW can be obtained through a one- or two-step process.
Complying Development Application
Complying Development Application is a one-step fast-track process to get approval.
Development Application
If you want to build something that challenges code requirements you can lodge a Development Application to Council.
Construction Certificate
If you decide to lodge a Development Application, then after it is approved you will also need to get a Construction Certificate to make sure the building complies.