How is an Energy Performance Certificate produced?
An assessor is required to take very accurate information and measurements of the fabric of the building and every room within a building.

This will detail the exact specification of the premises and the performance of the heating or cooling system. Depending on the complexity of the site, assessment may well extend into days as opposed to hours due to the complexity of the information required.

The assessor has to research information on each component to then be able to enter the full data into a government licensed software package.

This information and report is then sent online to the appropriate government department who produce a certificate based on the results.

The certificate itself indicates the energy efficiency of the building and rates it on a scale of A to G . A being the most energy efficient and G being the least energy efficient.

From the results of the report and the data that has been collected the assessor is then able to give recommendations to improve the rating and hence the energy efficiency of the building.
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