Homestar

Homestar is a comprehensive, independent national rating tool, run by the not-for-profit Green Building Council, that measures the health, warmth and efficiency of New Zealand houses. A home is rated on a scale from 6 to 10.

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 A 6 Homestar rating or higher provides assurance that a house will be better quality - warmer, drier, healthier and cost less to run - than a typical new house built to building code. A 10 Homestar rating means you've built a world leading house.

Homestar assesses a house, apartment or multi unit development against several categories including energy, health and comfort; water waste and materials. There are two stages to a Homestar rating:

  • Design – this rating assesses the full and final plans.
  • Built – this rating occurs after a homes is constructed. It certifies that the features in the Design rating have been fully implemented.

  • To rate a home’s performance and environmental impact, Homestar awards points across seven categories: energy, health and comfort; water; waste; materials; site; home management; and an optional innovation category.