Greenspec was the ‘go to’ website throughout my degree and it keeps on getting better.
Treehugger.com/design
Trada – ultimate resource for all things timber
Sustainability Hub by RIBA
Passivhaus
Inhabitat – Architecture
Green Building Magazine
ECOWAN by World Architecture News
Earth Architecture – interesting site
Bre – full of information
I’m sure you will find these websites really useful. If you come across anymore that can be added to the list then please get in touch! Find us on Twitter and Facebook.