Certification FAQs
Answers to your pressing compliance questions
Highly professional, responsive and trusted unrestricted building certifier in New South Wales.
NSW Certification Checklist
Compliance Parameters
Class: FAQ Database
- What is a private certifier and how do they differ from council?
- Can a private certifier approve a duplex without council DA?
- How long is a Complying Development Certificate (CDC) valid for?
- What inspections are mandatory during construction?
- How do I obtain a final Occupation Certificate (OC)?
Need priority certifier sign-off for Class FAQ Database specifications? Upload architectural plans directly to secure an assessment.
Upload PlansWhere We Provide This Service
No.1 Building Services provides fast, unrestricted certification across the following regions. Explore our interactive coverage map.
South West SydneyGreater Western & North West SydneyCity & Inner WestParramatta & Central WestNorthern Beaches & North ShoreEastern SuburbsSt George & Sutherland ShireNewcastle & The Lower Hunter
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