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.

BRANZ Level.

What's new


BRANZ: mechanically ventilate all new homes

BRANZ proposes new homes be built to an airtightness target and mechanically ventilated. Read more.

Hot water cylinders fail tests

Six out of 12 electric hot water cylinders failed energy efficiency testing. Read more.

Research points way to warmer walls

Two newly published research papers look at thermal performance in house walls. Read more.

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