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Energy Performance Certificates

 3 Counties Energy Assessments Ltd can help you comply with the new Energy Performance of Buildings Regulations. These introduce the requirement for non-residential commercial buildings to have an Energy Performance Certificate (EPC) on construction, sale or rent. Some building modifications will also require an EPC on completion.

WHAT is an Energy Performance Certificate?

 The Energy Performance Certificate is broadly similar to the certificates found on many domestic appliances. An EPC conveys summary information about the potential energy performance of a building, its fabric and services. The Energy Performance Certificate will give the building a rating from A to G. An A rating shows high energy efficiency, meaning lower fuel bills, whilst G is inefficient, meaning higher fuel bills. The certificate will also show the building's environmental impact by indicating its carbon dioxide emissions.


Our EPCs will be accompanied by a Recommendation Report highlighting measures that can help you save energy and money. Energy Performance Certificates will remain valid for ten years unless the building is modified.

WHO needs an EPC?

 The EPC is required by law when a building is constructed, sold or put up for rent.  Owners of all commercial buildings will also have to provide an EPC when they buy, sell or let commercial premises.

You will need a certificate if you are:

  • Property owner - if you are selling your home you will be required to provide a Home Information Pack which includes an EPC for potential buyers
  • A builder - EPCs should be provided to buyers of newly built properties
  • A landlord - you will need to provide an EPC to prospective tenants the first time you let or re-let your property

WHEN is a commercial EPC required?

On construction: The constructor gives the Energy Performance Certificate and Recommendations Report to the purchaser on physical completion of the building and notifies Building Control, who will not issue the Certificate of Completion until the EPC is provided.

On sale/rent: As soon as the building is offered for sale/rent, the seller/landlord must make a commercial EPC available to prospective buyers/tenants. The Energy Performance Certificate may be for the whole building or individual units, and completion of a contract should not happen without it.  For multi-tenancy arrangements, please contact us for further EPC advice.

On modification: The person undertaking the work is responsible for providing the Energy Performance Certificate and Recommendations Report to the client. They must then notify Building Control, who will not issue the Certificate of Completion until the EPC is provided.

The maximum penalty for non-compliance is currently £5,000, enforceable by Trading Standards. The penalty notice also includes the requirement to produce a valid EPC.

WHICH buildings require a commercial EPC?

Energy Performance Certificates are now required for non-residential commercial buildings on construction, sale or rent.

Some building modifications which result in the addition or removal of building parts and the extension or introduction of Heating, Ventilation and Air Conditioning (HVAC) services will also require a commercial EPC.

The following types of building do not require a commercial Energy Performance Certificate:


  • Places of worship
  • Stand-alone non-dwellings less than 50 m2
  • Temporary buildings with a planned life of less than two years
  • Industrial premises with low energy use where the space is mostly not heated or cooled (such as process and heavy engineering workshops and stores with localised work-station conditioning)
  • Buildings to be demolished within two years 




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Energy Performance of Buildings Directive (EPBD)
ALL buildings built after December 2018 will have to produce their own renewable energy on-site, says the European Parliament's industry committee, amending the 2002 Energy Performance of Buildings Directive (EPBD). read more