This report shows the value – in many forms – that can be derived from a consistent approach to measuring and benchmarking the design and performance of buildings, and unless we do that much more widely, we will fail to make the gains that could benefit so many people. The report also provides important feedback for BRE as the owners and operators of BREEAM, and as the industry’s needs and demands change ever more rapidly, it is essential to take on board customers’ feedback to inform the further evolution of the tool.