To gain approval for your CDC, you must either use a Council certifier or a private certifier. Both have their advantages, and this requires a lot of research. A private certifier can be pricey, between $1600 – $2600, whereas a Council certifier can be a lot cheaper, roughly $500.

What does a building certifier do?

A Private Certifier is a building professional who can act as a Principal Certifying Authority and is responsible for inspecting and approving the building work to ensure it is in accordance with approved plans and state legislative requirements.

Do I need a certifier?

If your development needs approval, you must appoint a principal certifier. This can be a registered building surveyor, your local council or a registered body corporate (certification company). ... You must enter into a contract with the certifier before any certification work is carried out.