Commercial EPC Conventions

These conventions must be applied by all non-domestic accredition schemes on 1 June 2010. The conventions will be included in future quality assurance checks thereafter. Any EPCs lodged after the implementation date must, therefore, follow these conventions.

The conventions are designed to improve the quality and accuracy of Commercial Energy Performance Certificates. The conventions will, therefore, supersede any previous assessment process and previously published guidance. With this in mind, further conventions are being developed and will be released in stages.

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