Affordable, resilient, sustainable and quality buildings for Aotearoa New Zealand
We provide independent and trusted building research, testing and quality assurance to support better buildings.
Learn moreOur key focus areas:
Affordability
Housing is affordable for people to build, maintain and live in.
Resilience
Buildings protect people from earthquakes, fire, extreme weather and climate change.
Sustainability
Buildings are environmentally designed, built, maintained and recycled.
Quality
Buildings are safe, warm, dry and fit for future generations
News
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$11.5 million building research boost to make Kiwi homes smarter
From low-cost granny flat designs to AI-powered tools, 22 new projects will share $11.5 million in Building Research Levy funding.
Find out more -
Build Insights: Wellington leads housing affordability gains
Our Latest Build Insights report shows Wellington is becoming more affordable faster than anywhere else in New Zealand, with mortgage serviceability up 64% since late 2023 - the strongest improvement nationwide.
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BRANZ statement on proposed changes to the Building Research Levy Act
Cabinet’s proposal to remove the Building Research Levy Act marks a significant change for New Zealand’s building and construction sector.
Find out more
Featured publications
Print version available now!
This guide explains the general principles of the plumbing codes and standards for sanitary plumbing in Aotearoa New Zealand. Issues such as backflow prevention, protection from scalding and explosion by hot water installations and the use of air admittance valves are explained in clear and simple text. This edition was updated and released in April 2024 to reflect recent changes to AS/NZS 3500 Plumbing and drainage standards and amendments to the New Zealand Building Code acceptable solutions for clauses G12 Water supplies and G13 Foul water.
Disclaimer: Please note that our publications reflect the regulations and best practices on the date of release, which is shown on the publication. As regulations and industry standards evolve, we always recommend that our publications be read in conjunction with the latest building code clauses and standards.
