Maps, apps & data
Digital tools and datasets providing environmental, economic and regulatory insight to support planning, compliance and decision-making.
BRANZ Artisan
Artisan is a mobile app developed by BRANZ to create a better building future for all of Aotearoa New Zealand.
BRANZ Maps
Explore mapped earthquake, wind and corrosion zones used to support building design decisions.
Build Insights
See trusted data and trends shaping New Zealand’s building and construction sector.
Energy efficiency
Resources and tools to support H1 compliance, improve thermal performance and design more energy-efficient buildings.
BRANZ House insulation guide
A practical guide to choosing and checking insulation levels, supporting H1 compliance and warmer, healthier, energy‑efficient New Zealand homes.
Thermal bridging calculation tool
A calculation tool that shows how thermal bridging affects the real performance of timber‑framed walls, helping designers understand heat loss, improve wall design and compare insulation and framing options.
Improvements for a healthy home
An interactive guide that helps you explore common moisture and heat‑loss issues around the home and learn practical ways to create a warmer, drier and healthier living environment.
H1 Hub
A smart search hub that brings together trusted Building Code H1 Energy efficiency guidance, tools, and resources from BRANZ and industry partners.
H1 Schedule method tool
A simple Excel‑based tool that helps designers check whether houses and small buildings meet Building Code H1 Energy efficiency requirements using the schedule method, available for use until 26 November 2026.
H1/AS1 6th edition calculation method tool
This Excel based tool helps designers check energy-efficiency compliance for houses and small buildings against the H1/AS1 6th edition calculation method, with clear pass or fail results suitable for building consent applications.
Fire Risk
Tools to assess fire performance, model fire scenarios, and evaluate risk related to fire safety and escape.
B-RISK: Design fire tool
A design fire simulation tool that helps fire engineers model building fires, assess fire and smoke behaviour and support performance‑based fire safety design using probabilistic analysis.
BRANZ TR8 Concrete floor systems
A specialist fire engineering tool for calculating the fire resistance of reinforced and prestressed concrete beams and floor systems, supporting performance‑based design using accepted engineering methods.
BRANZ TR9 timber-framed well or floor/ceiling systems
A specialist fire engineering tool that allows designers to extend fire resistance test results to larger or more heavily loaded light timber‑framed walls and floor/ceiling systems using a structured, performance‑based approach.
Sustainability
Tools and data for measuring embodied carbon, assessing lifecycle impacts and informing sustainable design decisions.
LCAQuick: Life cycle assessment tool
LCAQuick is a tool that helps architects, designers and structural engineers make sustainable design decisions.
NECO2 - National Embodied Carbon Repository
New Zealand’s national embodied carbon data repository that supports the construction sector to make informed decisions that reduce the carbon impact of buildings.
Photovoltaic generation calculator
Use this calculator to determine the average yearly electricity generation capability of your photovoltaic (PV) system.
Resource recovery map
Reduce construction waste by finding local reuse and recycling facilities nationwide.