BREEAM
Responsible Body:
BRE is the certification and quality assurance body for BREEAM ratings

Summary:
BREEAM is the equivalent for commercial development of the Code for Sustainable Homes. It addresses wide-ranging sustainability issues (not just energy performance) and the assessment can be used to guide improvements and refurbishments to existing buildings or when specifying new builds.
 
Key Requirements:
BREEAM is measured with five ratings; Pass, Good, Very Good, Excellent and Outstanding. The requirements for certain ratings can be imposed by planning authorities.

BREEAM building assessments are required by various regulatory and government organisations:

Homes and Communities Agency;
Office of Government Commerce (OGC);
DCSF (Department for Children, Schools and Families);
Welsh Assembly Government;
Regional Development Agencies;
Local Authorities; and
Department of Health.
Penalties & Implications of non-compliance:

Various

Further Information:

BREEAM: http://www.breeam.org