SYDNEY 02 9555 4000 | MELBOURNE 03 9388 0622 | BRISBANE 07 3667 8881 | PERTH 08 9381 5206

Welcome to Extent Heritage

Heritage Advisors to Australia and the Asia Pacific

We are leaders in heritage and archaeological consulting, providing heritage advice to Australia and the Asia Pacific region for over two decades. We are set apart by our dedication to quality research, investment in our people and close engagement with our clients to understand their needs, manage their risks and provide excellent heritage outcomes.

We are passionate about conserving, understanding and interpreting heritage.

Extent Heritage provides a comprehensive range of services from impact assessments and asset portfolio management to archaeological servicesheritage interpretation and heritage management for large infrastructure such as the National Broadband Network, Chevron Australia’s Gorgon, WestConnex and Wheatstone LNG plants.

Our Asia-Pacific work includes heritage assessments and management planning for World War II battlefield sites along the Kokoda Track in Papua New Guinea, expert contributions to the International Forensic Team working in East Timor and specialist missions assessing World Heritage Properties for UNESCO and ICOMOS in the Asia Pacific.

With teams based in Sydney, Melbourne, Brisbane and Perth we provide a single point of service for all your heritage assessment and management requirements.

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Our Services


Aboriginal Heritage

Our team specialise in performing a comprehensive range of Aboriginal heritage and archaeological assessment and management planning services.



Built Heritage

We provide a full range of high quality and professional heritage services across a range of sectors including infrastructure, large asset portfolios and industrial sites.




Interpretation enhances the visitor experience and provides context for heritage places. Our team provides contemporary, high quality solutions for your needs.




With over 25 years of experience across Australia and the Asia-Pacific, Extent is an industry leader in archaeological assessment, planning and interpretation. 


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