Commercial EPC

Commercial 
Energy Performance Certificates 
(Non-Domestic).

A Commercial Energy Performance Certificate (EPC) rates non-domestic properties from A (most efficient) to G (least efficient). It assesses energy efficiency based on estimated fuel costs and environmental impact through carbon emissions.

A commercial EPC calculates efficiency considering:

  • Local climate
  • Building design
  • Ventilation, air-conditioning, and heating systems
  • Appliances and equipment
The certificate includes a report with recommendations for improving energy efficiency, potential savings, and estimated implementation costs. Implementing these recommendations is not mandatory.

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Display Energy Certificate (DEC)

Public buildings' energy performance is rated using a specific system. The rating's validity depends on the building's floor area, ranging from one to ten years.

Single Buildings

Our experienced commercial Energy Assessors provide energy performance certificates for business owners and landlords.

Commercial EPC

Certify a property's energy efficiency using a rating system from A (most efficient) to G.

High Volume Schemes

Commercial EPC assessment schemes for estate and letting agents, universities, and local councils.

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What is an EPC Rating for Commercial Buildings?

An Energy Performance Certificate (EPC) for commercial buildings rates the energy efficiency of the property on a scale from A (most efficient) to G (least efficient). This rating is based on the building's energy consumption and estimated fuel costs, as well as its environmental impact through carbon emissions.

The EPC provides:

An Energy Efficiency Rating: Reflecting the building's overall energy performance.
Environmental Impact Rating: Indicating the property's carbon footprint.
Factors influencing the EPC rating include:

  • Local climate
  • Building design
  • Ventilation, air-conditioning, and heating systems
  • Appliances and equipment
Additionally, the EPC includes a report with recommendations for improving energy efficiency, estimated costs for these improvements, and potential savings. Implementing these recommendations is not required by law.

Understanding your building's EPC rating can help identify ways to reduce energy consumption, lower operating costs, and minimize environmental impact.

How are Commercial EPC's Calculated?

Commercial Energy Performance Certificates (EPCs) are calculated based on a detailed assessment of the building's energy efficiency. The calculation process involves:

Data Collection:

Building Dimensions: Measurements of the building’s size and layout.

Building Fabric: Materials and construction methods used in walls, roofs, windows, and floors.

Building Services: Details of heating, cooling, ventilation, lighting systems, and hot water supply.

Occupancy Patterns: Typical usage patterns, including hours of operation and number of occupants.

Energy Modeling:

Software Simulation: Specialized software models the building's energy performance based on the collected data.

Energy Use Estimation: Estimates are made for heating, cooling, lighting, and ventilation energy usage.

Efficiency Ratings:

Energy Efficiency Rating: A grade from A (most efficient) to G (least efficient) based on the modeled energy consumption.

Environmental Impact Rating: A grade reflecting the building's carbon dioxide emissions.

Recommendation Report:

Improvement Measures: Suggested actions to enhance energy efficiency.

Cost Estimates: Approximate costs for implementing the recommended measures.

Potential Savings: Estimated savings from implementing the improvements.

The final EPC provides a clear overview of the building’s current energy performance and practical steps to improve efficiency.

 When are commercial EPC's needed?

Commercial Energy Performance Certificates (EPCs) are required in several situations involving non-domestic properties:

Selling a Property:

An EPC must be provided to potential buyers at the earliest opportunity.

Renting or Leasing a Property:

Landlords must supply an EPC to prospective tenants before the lease agreement is signed.

Construction of a New Building:

Newly constructed commercial buildings need an EPC upon completion before being sold or rented.
Significant Modifications:

Major renovations that change the number of parts used for separate occupation or involve substantial changes to the heating, cooling, or ventilation systems necessitate an updated EPC.

Public Buildings:

Buildings over 500 square meters frequently visited by the public must display a valid EPC.

Exemptions:

Certain buildings are exempt, such as places of worship, temporary structures, industrial sites, workshops, and non-residential agricultural buildings with low energy demand.
In all applicable cases, failure to provide a valid EPC can result in penalties.

Display Energy Certificates (DEC's)

Designed to show the energy performance of public buildings.

Public authorities must have a DEC for a building if the following are true:



  • it’s at least partially occupied by a public authority (eg council, leisure centre, college, NHS trust)
  • it has a total floor area of over 250 square metres
  • it’s frequently visited by the public


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