AECB the Sustainable Building Assoc. A membership organisation of green building professionals.Excellent technical forum.
The AECB Carbon lite project giove details of low energy construction standards and details
BRE is a company doing research into building methods and standards. The site has many research papers etc.
Sustainable Homes promotes improved environmental building standards in the social housing sector, housing associations etc.
Not strictly a building organisation. A government funded body funding research into lowering our Carbon Dioxide outputs.
CAT offers a range of fact sheets, publications, courses and free advice.
A government funded agency to promote energy saving measures. Behind it's it's superficial advice is a lot of very solid info so it is worth delving around.
The Good Homes Alliance (GHA) is a group of housing developers, building professionals and other industry supporters whose aim is to close the gap between aspiration and reality by showing how to build and monitor good homes which are sustainable in the broadest sense.