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Occupation Certificates — Final Sign-Off for Your Build

Sydney Wide Certifiers issues interim and final Occupation Certificates across Sydney. Ensure your building is safe and lawful to occupy. Contact us today.

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An Occupation Certificate (OC) authorises the occupation and use of a new building or a change of building use. Under NSW legislation, it is an offence to occupy or use a new building, or change the classification of an existing building, without a valid OC. Sydney Wide Certifiers issues both interim and final Occupation Certificates for residential, commercial and mixed-use developments across the Sydney metropolitan area.

What's Included

Final inspection of the completed building to verify that construction has been carried out in accordance with the approved Construction Certificate or CDC plans and any conditions of consent.

Confirmation that all critical-stage inspections required under clause 162B of the Environmental Planning and Assessment Regulation 2021 have been satisfactorily completed and documented.

Review of fire safety certification — for commercial and multi-residential buildings, the relevant fire safety certificate or interim fire safety certificate must be provided before the OC is issued, covering all essential fire safety measures listed in the fire safety schedule.

Assessment of any outstanding conditions of the development consent or CDC that are required to be satisfied before occupation, such as landscaping completion, driveway construction, stormwater connection, or payment of infrastructure contributions.

For interim Occupation Certificates, identification of the specific parts of the building that are suitable for occupation and the work still to be completed.

Issue of the OC documentation and lodgement of the required records with the consent authority and the NSW Building Commissioner's portal.

How It Works

01

Your builder or project manager notifies us that construction is complete (or a stage is complete for an interim OC) and submits all required completion documentation including compliance certificates and warranties.

02

We review the documentation against the approved plans, consent conditions and inspection records to confirm everything is in order.

03

A final site inspection is conducted to verify the building has been constructed in accordance with the approved plans and is suitable for occupation.

04

Once satisfied, we issue the Occupation Certificate and lodge the required notifications with the consent authority and the NSW Building Commissioner.

05

For interim OCs, we document the occupied portion and outstanding work, and track the remaining items through to final OC.

Why Choose Sydney Wide Certifiers

End-to-end oversight when we also serve as your Principal Certifier — we already know the project history, inspections and any compliance matters, making the OC process seamless.

Thorough pre-OC consultation to identify any outstanding items before the final inspection, so there are no last-minute surprises.

We ensure all documentation — fire safety certificates, compliance certificates, warranties — is complete and properly recorded for the building's ongoing compliance obligations.

Responsive scheduling for final inspections, with same-week availability for projects ready for sign-off.

FAQ

Frequently Asked Questions

Is it legal to move into a new house without an Occupation Certificate?
No. Under section 6.9 of the Environmental Planning and Assessment Act 1979, a person must not occupy or use a new building unless an Occupation Certificate has been issued for the building. Penalties apply to both the owner and any person who causes or permits the occupation. Additionally, occupying without an OC can create serious issues with insurance coverage, resale, and financing — most lenders and insurers require evidence of a valid OC.
What is the difference between an interim and a final Occupation Certificate?
An interim Occupation Certificate authorises the occupation of a specific part or stage of a building while other parts remain incomplete. This is common in staged residential subdivisions or large commercial projects where one tenancy or building wing is finished ahead of the rest. A final Occupation Certificate covers the entire building and confirms all work and conditions of consent are complete. Interim OCs are subject to conditions and may include requirements around separation from incomplete areas, temporary fire safety measures and access provisions.
What documents do I need to provide for an Occupation Certificate application?
The exact requirements depend on the nature of the project, but typical documentation includes: all compliance certificates for critical-stage inspections, a fire safety certificate or interim fire safety certificate (for buildings with essential fire safety measures), a section 73 compliance certificate from Sydney Water (for developments involving new water or sewer connections), evidence of completion of any pre-occupation consent conditions (landscaping plans, driveway photos, stormwater certification), structural engineers final certification, waterproofing warranties, glazing compliance certificates, and any other specialist certificates called up by the conditions of consent or CC.

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