Most Auckland homes average 4 stars on the Homestar rating tool, the Auckland Unitary Plan aims to lift it to 6 for certain new developments, the highest so far is 8, and the Waiheke Earthship is aiming for the maximum 10 stars. Working with Envirospec, the Waiheke Earthship aims to achieve outstanding thermal performance and go beyond green to generative. Watch this space to see how we get on.