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Energy Performance Certificates (EPCs)

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From 1st October 2008 all homes, commercial and public buildings - when bought, sold, built or rented out require an EPC.

The Energy Performance Certificate (EPC) gives home owners, tenants and buyers information on the energy efficiency rating of their property. It gives the building a standard energy and carbon emission efficiency grade from 'A' to 'G', where 'A' is the most efficient and with the average to date being D.

EPCs are measured using the same calculations for all homes, so you can compare the energy efficiency of different properties.Part of the EPC is a report which will list the potential rating that your home could achieve, if you made the recommended changes. The report lists:

  • suggested improvements (such as fitting loft insulation)
  • the approximate cost
  • possible cost savings per year if the improvements are made
  • how this would change the energy and carbon emission rating of the property

You can use this information to:

  • cut your fuel bills
  • improve energy performance in your home
  • help cut carbon emissions
  • help you choose a more energy efficient home to rent or buy

You do not have to act on the recommendations contained in the recommendation report. However, if you decide to do so, then it could make your property more attractive for sale or rent by making it more energy efficient.

From April 2018, the proposed legislative changes would make it unlawful to let residential properties with an EPC Rating of F or G (i.e. the lowest 2 grades of energy efficiency).

Trading Standards are the enforcers for Energy Performance Certificates. If you have any queries please contact Somerset County Council, Trading Standards team on 0845 3459188 or email them on

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