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ARTICLE · 09 NOVEMBER 2025

How Does Statutory Interpretation Impact Building Disputes In NSW?

This article explains how courts apply statutory interpretation rules, such as the extrinsic materials rule under section 34 of the NSW Interpretation Act 1987.

AustraliaReal Estate and Construction

How does statutory interpretation impact building disputes in NSW? Written laws like the Home Building Act, building codes, and industry standards often leave room for multiple interpretations. This article explains how courts apply statutory interpretation rules, such as the extrinsic materials rule under section 34 of the NSW Interpretation Act 1987 and highlights a recent case where interpretation determined the outcome of a defective building work claim.

A recent case conducted by Swaab illustrated how statutory interpretation can apply in building disputes.

Written laws include Acts of Parliament, industry codes of conduct, building standards and codes and regulations. When people draft these laws, they do their best to make them clear but often the drafting results in several alternative meanings. Lawyers are required to interpret these laws and there may be several possible meanings

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For further information please contact:

Michael Byrnes, Partner
Phone: + 61 2 9233 5544
Email: [email protected]

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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