Non-Domestic Energy Performance Certificate (EPC)

“Very engaging, extremely relevant and ultimately informative.”
Paul Power, Downs Energy Ltd, Burgess Hill

Non-Domestic Energy Performance Certificate (EPC)

Energy Performance Certificates (EPCs) measure the energy efficiency of buildings and are rated on an efficiency scale A-G (most energy efficient- least energy efficient). It compares the energy efficiency of your building to that of a ‘typical’ organisation of the same size and business activity.

When is an EPC required?

The purpose of the EPC is to comply with current Energy Performance in Buildings legislation and Building Regulations which state that all non-domestic buildings on construction, sale and rent require a Non-Domestic Energy Performance Certificate (NDEPC).

Since April 2018 the minimum energy efficiency standard for commercial buildings is a rating of E. A high rating doesn’t just save money on energy bills, it also lowers the carbon emissions from the day-to-day operation of your business.

What to expect

An EPC can only be produced by a qualified and registered Energy Assessor. It will include a site visit as routine part of the assessment process where a non-invasive survey will be carried out. Access or detailed information about the building’s services will be required. After all necessary information is gathered, an energy calculation will be done using the Simplified Building Energy Model (SBEM), the government approved software to produce EPCs. The EPC needs to be renewed at least every 10 years.

An EPC is typically accompanied by a Recommendations Report, which highlights energy, carbon and cost saving opportunities at your premises. You can choose to follow the recommendations which can result in a higher rating when the next EPC is conducted.


Prices are subject to location, size of premises and availability of floor plans and building data. Please contact us to discuss pricing. For projects requiring multiple certificates a discount may be available.

Please contact us to register your interest and to discuss your requirements.

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