02 4855 0680

Complying Development Certificates

A complying development certificate is essential before commencement of any building work.
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Construction Certifications

Our team can assist you with all certifications regarding any kind of construction you may want to commence.
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Principal Certifying Authority

Critical Stage Inspections are mandatory to ensure that a building complies with the Building Code of Australia.
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Professional construction services with architectural expertise

We believe that our clients are a fundamental part of the design process and we collaborate. Construction is a process which consists of assembling or building infrastructure.
A unique combination of engineering and construction.
Developing our client's dream space for their business.
We’ve constructed some of the most iconic projects.
Our Projects
Our philosophy is based on a conceptual approach inspired by vision and design

Construction equipment, engineering, planning and innovation

For more than 30 years, Byron Group has earned one of the finest reputations across the globe for construction engineering service that achieve our client’s vision

We always deliver exceptional and sustainable outcomes for our clients

We work collaboratively to create value through built and natural assets that work in harmony with their surroundings – from shopping centers in Shanghai to reduced air pollution in New York City. Improving quality of life.
Our Services

Construction Workers

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Completed Projects

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Completed Projects

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Worldwide Branches

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We are your trusted manufacturing & engineering partner

We have a professional team of construction workers and auditors for your company

Get Started
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Carpentry

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

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Remodeling

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
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General Contractor

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

Carpentry

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

Remodeling

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

Carpentry

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

Remodeling

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

General Contractor

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
Image

Carpentry

This is one of our most requested services. We make older, smaller or outdated spaces more beautiful.

Learn More
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Stoneybark is a building and subdivision certification company in Mittagong, NSW. We ensure projects comply with regulations.

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Useful Links

  • 02 4855 0680
  • [email protected]
  • Mittagong: 7/2-4 Bowral Road Mittagong NSW 2575
  • Level 3, Suite 309 90 Podium Way Oran Park NSW 2570 TRN Building
  • Level 1, Suite 16B 118 Main Street Mittagong NSW 2575

© 2025 Stoneybark Building Certification Pty Ltd. All rights reserved. ABN 40 657 132 717.