The Leading Building Certifier in Sydney

Your Trustworthy Building Certifier in Sydney for Hassle-Free Approvals

Are you embarking on a construction project in Sydney? Navigate the labyrinth of local building codes and regulations effortlessly with Darook. As your professional Building Certifier in Sydney, we offer efficient approvals, detailed inspections, and comprehensive guidance at every step.

Why Choose Us

As a premier Building Certifier in Sydney, Darook specialises in offering quick and accurate certifications that help you meet all the local building codes and standards.

Speedy Service

While some providers drag their feet on certificates and approvals, we pride ourselves on our swift and streamlined delivery. Experience minimal waiting times with us!

Always Available​

Your concerns matter. Whether it's a phone call, an email, or a message, expect prompt responses and top-tier support from our dedicated team.

Crystal Clear Transparency

Stay informed every step of the way. Our state-of-the-art project trackers offer real-time updates on your project, ensuring you're never left in the dark.

Unwavering Reliability

Timelines matter in construction. Trust us to honour deadlines with unmatched accuracy and uphold a consistent standard of excellence.

Honest Pricing

Hidden fees? Not on our watch. Every cost associated with your construction project will be detailed in our quotes, ensuring complete financial transparency.

Who We Are

Darook is a private building certification firm, specialising in homes, renovations, pools and granny flats, serving the dynamic and coveted neighbourhoods of Sydney and its surrounding areas. Our commitment to clear communication and timely, expert advice ensures that you are supported through every phase of the building approval journey.

What our customers have to say

The building approvals we issue...

New homes
& dwellings


to Dwellings




& Carports



& Additions



Granny Flats


Building Certifier In Sydney
Frequently Asked Questions

A private building certifiers in Sydney like Darook is responsible for ensuring your construction project complies with Sydney's local building codes and regulations. We issue the necessary approvals, and certifications, and conduct in-depth inspections to keep your project on track.

Speed is one of our strengths. Depending on your project’s complexity and the completeness of your submitted documentation, we generally issue certifications within 5 business days.

Transparency is a cornerstone of our business. All costs related to your construction project will be outlined clearly in the initial quote. You won’t find any hidden or undisclosed fees when you work with us.

We can help you with any class 1 and 10 building approval, including single dwellings, renovations, dual occupancies, alterations, additions, granny flats, pools, studios, garages and demolitions.

We provide building approvals mostly in these Sydney council areas: Bayside, Burwood, Canada Bay, Canterbury, Georges River, Hunters Hill, Inner West, Lane Cove, Mosman, North Sydney, Northern Beaches, Randwick, Ryde, Strathfield, Sutherland, Sydney, Waverley, Willoughby and Woollahra.

No, we do not approve class 2-to-9 buildings. We approve class 1 and class 10 buildings only. We cannot approve a change of use for a business or building work in apartment buildings.


For more questions or personalised assistance, feel free to reach out to us!

Explore Our Range of Services

Let our experienced team guide you through every step of obtaining your complying development certificate.
Allow us to guide you swiftly and smoothly through the process of securing your construction certificate.
Our comprehensive BCA reports detail and assesses whether your building complies with the national standards and regulations for construction.
Have our experienced team by your side to guide you through obtaining your swimming pool compliance certificate.

Mandatory Inspection

Inspections that verify the work meets the BCA, relevant Australian Standards, the development consent conditions, and matches the Approved Plans.
Using innovation and streamlined services to deliver a range of private certification services for home owners, architects and building designers.
Ensure each and every building is compliant with the Building Code of Australia, Australian Standards and the regulations.

Occupation Certificates

After construction, ensure the building meets the Building Code of Australia, Australian Standards, and regulations.
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