Start here. Get it done right.
Explore the How-to hub
A BRANZ new home for all of our guides and advice.
Our How-to hub brings together practical building guidance, technical insight and trusted resources in one place. Organised around real-world tasks and building systems, it connects related topics so you can quickly find what matters, whether you’re designing, repairing or maintaining a home. The result is a clear path to making better decisions on site and in your business.
Learn moreStill here... just easier to find
Our trusted tools and data aren’t going anywhere. From certified products to calculators and site-specific environmental information, everything you rely on is right here.
Certified products
Independently verified. Read to specify
Search certified products, BRANZ Appraisals and testing reports to support confident specification and compliance.
Tools and calculators
Practical tools for every step of your project.
Access expert-developed tools, backed by trusted data, to guide your design, consent and construction decisions. BRANZ works collaboratively with industry and researchers to create easy-to-use tools that lift quality, reduce costs and improve how we build in Aotearoa.
Instant site data, anywhere in Aotearoa.
Get your site's data with BRANZ Maps
Bringing together council and independent data, BRANZ Maps is a free mapping tool showing building relevant data for any New Zealand address. Find site-specific wind and environmental zone information.
Analysis & opinions
Popular resources
Research funding
Have a research idea and need funding?
BRANZ offers Building Research Levy funding through two pathways, depending on your research topic and where you’re at in your research career.
Learn more
BRANZ services
Independent testing and certifications to prove performance, build confidence and meet requirements.
Testing services
Get your product market ready
Get independent, fit-for-purpose testing to help demonstrate performance, build confidence in your product or system.
Appraisals & certifications
Getting you started with testing & appraisals
BRANZ offers a range of certifications and testing services for manufacturers, suppliers, importers and exporters, specifiers, designers, researchers and insurance companies.
Research & funding
Collaborative research, testing and expert support
Whether you’re looking for funding information or want to support, fund or collaborate with BRANZ research, we can help you find the right next step.
Let's build with science, together.
Get in touch
Our team is here to help, reach out and we’ll point you in the right direction.
Stay up to date with BRANZ
Get the latest sector news, research insights, industry guidance and practical tips from BRANZ right to your inbox, so you’re always up to date.