What is the added value of a carbon footprint report for housing in an energy certificate?

The Energy Performance Certificate was originally developed for purchase and rental situations, so that a single document can be used to identify energy efficiency and energy efficiency improvement measures in a home that could influence the purchase or understanding of a home purchase. Yet it has remained a somewhat alien and technical document that is a "must do". The Energy Performance Certificate is still house specific and gives a broad indication of either the exact or [...]