Welcome to Level, the authority on sustainable building.

Level will help you design and build homes which have less impact on the environment and are healthier, more comfortable, and have lower running costs.

What's New

Financial rewards of Homestar

Big dollar savings. Read more.

Warm homes on cold nights

Curtains are key. Read more.

Plastic waste in construction

New research findings. Read more.

Ceiling fans save money

Year-round benefits. Read more.

Recently added

Reducing Carbon: Where is it in a building?
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Reducing Carbon: House size and form
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Reducing Carbon: Solar design and the thermal envelope
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Reducing Carbon: Materials selection
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Reducing Carbon: Fixtures & Appliances
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Resources

Recent BRANZ bulletins that cover Level topics include BU698 Residential mechanical ventilation systems, BU697 Safety in the construction industry, BU696 Seismically resilient design and BU694 Retrofitting wall insulation while replacing the linings in houses.

BRANZ has published the reports SR502 Household Energy End-use Project 2: Report on summer comfort, cooling and indoor temperatures (preliminary analysis), ER99 Best practice urban form for emissions reduction. Carbon neutral neighbourhoods and ER98 Quantifying timber waste generated from construction and demolition sector in New Zealand.