This is not an exhaustive list, but incorporates a good selection of New Zealand-relevant eco-related resources.

Biopaints 
Eco-materials suppliers, including: varnishes, stains, enamel paints, oils, wall paints, waxes and adhesives.

Building Biology and Ecology Institute
For educational material on eco-building, including workshops, tours, consultancy and design.

Designing Comfortable Homes (PDF)
Guidelines on the use of glass, mass and insulation for energy efficiency in New Zealand homes.

Earth Building Association of New Zealand
Contains general information, FAQs, design advice, hints, photographs of projects, workshops and other educational material.

Ecobob
A website developed to make eco friendly living easy.

Eco Design Advisor
Free advice for designers/architects, builders and homeowners about sustainable building.

EECA Suppliers and Partners Directory
Products and services relating to energy efficiency and renewable energy for the household, commercial and industrial sectors across New Zealand.

Good Wood Guide
How to buy wood that is less environmentally damaging and also includes timber use, timber suppliers, helpful products and services.

Passive Solar Design for New Zealand Houses (PDF)
An introduction to the principles of designing with the sun in mind.

Permaculture Research Institute of Australia
Dedicated to supporting research and education in ecology design, environmental restoration, appropriate technology and sustainable architecture.

REBRI 
The one stop shop for helping you to reduce construction site waste. Tools, publications and contacts provided.

Right House
Carries out energy efficiency audits on homes, providing advice and supplying and installing energy-efficient products.

Subdivision for People and the Environment - SNZ HB 44/2001 (PDF)
Guidelines and design information to assist environmentally sensitive land development.

Zero Waste
A charitable organisation dedicated to zero waste and a sustainable New Zealand.