What is an Energy Performance Certificate?

What is An Energy Performance Certificate?

An Energy Performance Certificate is a ‘rating’ of the energy efficiency and carbon emissions of a property. It is intended as a guide for potential tenants or buyers. In order for them to assess the energy efficiency and potential running costs of the property. It also list some recommendation of measures that could be installed to improve the energy efficiency of the property. Once complete the EPC is valid for 10 years, or until it is superseded by an updated certificate.

If you are selling or letting your property the regulations require you to have ‘commissioned’ an Energy Performance Certificate before you begin any marketing. In practise that means that you should have ordered and paid for an accredited energy assessor to conduct your assessment and produce an energy performance certificate. Since 2012 the graphical ‘rating’ shown on the first page of the certificate must be displayed on the property particulars for prospective buyers/tenants. If you are in the process of exchanging or signing contracts without the involvement of an estate agent, the EPC is required as a part of the documentation to be made available to the buyer or tenant. Under the current regulation estate agents will require an EPC or at least confirmation from an accredited energy assessor that an order for an Energy Performance Certificate aka EPC has been placed before they can begin to market your property either for sale or let.

By instructing EPC One to produce your EPC in most instances we will be able to make significant savings whilst ensuring you receive a higher level of service and delivery. EPC One can produce an Energy Performance Certificate and deliver it to your chosen agents or yourself within 72 hours. We can also provide you confirmation of booking on our accreditation scheme credentials which allows your chosen agents to begin marketing your property without delay.

The certificate is produced by a qualified, accredited energy assessor who will need to inspect elements of the property, the inspection is non-invasive and apart from access to the elements you will not be required to make any arrangements for the assessor.

Elements include the:

  • External Walls
  • Floors
  • Lofts & Roofs
  • Doors & Windows
  • Heating System(s)
  • Radiators & Room Heater(s)
  • How Water System(s)
  • Light(s)
  • All Heating, Hot Water, & Lighting Controls
  • Internal Floor Plans



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Once an inspection has been carried out, the energy assessor will then need to correctly identify and calculate the energy requirements & losses of the property and record these findings into the government software which will calculate the rating and register it onto the national database of energy performance certificates.