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Registered Certifier / Private Building Surveyor

compliance

When you need one

Construction Certificate stage (after DA approval), CDC issue, Occupation Certificate, NCC compliance signoff.

Qualifications

Accredited Certifier (NSW Building Professionals Board) / Registered Building Surveyor (VIC VBA / QLD BSA) — minimum BPB-registered.

Professional body

Australian Institute of Building Surveyors (AIBS)

Typical cost (CC + OC for single dwelling)

A$1,500–25,000

Per-state notes

NSW: BPB-registered Certifier handles both Council and private work. VIC: Registered Building Surveyor under VBA. QLD: Building Certifier under BSA. Class 2/3/9 buildings require higher certifier accreditation level.

Key outputs

✓Construction Certificate (CC)
✓Complying Development Certificate (CDC — alternative DA pathway)
✓Occupation Certificate (OC)
✓Section 96 modifications
✓Critical Stage Inspections (CSIs) during construction
✓Fire Safety Statement (annual)
✓Final inspection report

What triggers engaging them

▸DA approved (need CC)
▸Project taking CDC pathway
▸Construction in progress (CSI inspections)
▸Move-in (OC required)

Notes

Certifier engagement is the bridge between design (architect/designer) and construction (builder). Get certifier engaged early — they identify NCC issues before they become rework.