Some Useful Links:

J3 Building Futures, Eco-Architecture Consultants - http://www.j3buildingfutures.co.uk/

Dave Green Energy Services - http://davegreenenergyservices.yolasite.com/

Simmonds Mills Architects - http://www.simmondsmills.com/

Household Energy Service - http://www.h-e-s.org/

Marches Energy Agency - http://www.mea.org.uk/

National

Energy Savings Trust - http://www.energysavingtrust.org.uk/

Centre for Alternative Technology - http://www.cat.org.uk/

Association of Environment Conscious Building - http://www.aecb.net/

Retrofit for the Future - http://www.retrofitforthefuture.org/

National Green Specification register - http://www.greenspec.co.uk/

Green Building Forum - http://www.greenbuildingforum.co.uk/

Super Homes Network - http://www.superhomes.org.uk/