These web pages give some guidance and outlines to eco building and links to the wealth of online information.
The Red List of materials to avoid https://living-future.org/declare/declare-about/red-list/
The Green List of good alternatives https://living-future.org/declare/
Zero energy house – Leading the field in sustainable house construction in NZ
Dream Green Homes – a source for almost free green building plans
The new brochure “Everything you always wanted to know about Passive Houses in New Zealand” from PHINZ
Northland & National Professionals and Resources
Terra Firma Professional Rammed-earth buiders.
Ahi Wai – Whangarei’s Eco-Neighbourhood https://econeighbourhood.co.nz/
The Quarry Arts Centre in Whangarei is a national center for Earth Building. Lots of earth buildings, knowledge and courses. Birthplace of EBANZ Earth building Australia New Zealand http://quarryarts.org/