NHER
National Home Rating Energy Scheme.

BREEAM
Assessment organisation for Code for Sustainable Homes and EcoHomes.

Green Register of Building Professionals
Promoting sustainable building practices.

BERR Low Carbon Buildings Programme - Phase 1
Details of grant funding available for renewable enargy microgeneration technologies.

UK Green Building Council
Co-ordination of sustainability strategy to the building sector.

Energy Saving Trust
Information about installing renewable energy generation technologies including grants.

DTI - Low Carbon Buildings Programme
A list of accredited intallers of renewable technologies and certified products.

The Microgeneration Certification Scheme
A list of accredited intallers of renewable technologies and certified products.