Geo-Technical Engineer
By George Giannakakis · M.Arch · RLA300580 · HIA Industry Judge
Last reviewed: · How we research
Geo-Technical Engineer explained in detail
A consultant specialising in the investigation and reporting of the condition of substrate ground. They conduct soil tests to determine the soil classification, which affects the type of footings and slab required for your build.
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Frequently Asked Questions
Common questions about geo-technical engineer
Yes, a soil test (geotechnical report) is required for virtually all new builds and major extensions in Australia. It determines your soil classification (A, S, M, H1, H2, E, P) which directly affects your slab and footing design. Reactive clay soils (common in Adelaide, Melbourne, and parts of Sydney) require more expensive engineered footings.
Verify against the binding rules in your state
BuildPilot is an independent Australian building platform, we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.
National
The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).
Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.
National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.
National peak body for general builders. Publishes commercial and residential contracts and industry guidance.
By state & territory
Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.
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