Commercial EPC – Everything You Need to Know (2026 Guide)

A Commercial Energy Performance Certificate (EPC) is a legal document that shows how energy-efficient a non-domestic building is. It rates the property from A (most efficient) to G (least efficient) and is required when selling, renting, or constructing most commercial buildings in England and Wales.

When Is a Commercial EPC Required?

You need a Commercial EPC if you:

• Sell a commercial property

• Grant a new lease

• Renew or extend a lease

• Construct a new commercial building

• Market the premises for rent

This applies to:

• Offices

• Retail shops

• Restaurants & cafés

• Warehouses

• Industrial units

• Medical & educational buildings

Book an assessment:
https://epcrate.co.uk/booking/

Minimum Rating for Letting (MEES Rules)

Under Minimum Energy Efficiency Standards:

👉 Most commercial properties must have an E rating or above to be legally rented.

If your property is rated F or G, you cannot legally grant a lease unless:

• You improve the energy efficiency

• Or register a valid exemption

Commercial services explained:
https://epcrate.co.uk/services-epc-assessors-london/

How Long Is a Commercial EPC Valid?

• Valid for 10 years

• Can be reused during that period

• Must be renewed after major renovations

How Much Does a Commercial EPC Cost?

Costs vary depending on:

• Floor area (m²)

• Building complexity

• Heating & cooling systems

• Number of floors

Check pricing:
https://epcrate.co.uk/pricing/

What Happens During the Survey?

A qualified assessor will:

• Measure the property

• Record heating, cooling & lighting systems

• Assess insulation & glazing

• Use SBEM modelling software

• Lodge the certificate on the national register

Meet the assessors:
https://epcrate.co.uk/about-us-epc-company-london/

What If You Don’t Have One?

Potential consequences include:

• Fines based on rateable value

• Inability to legally market the property

• Delays in property transactions

Simple Explanation

If you are earning money from a commercial building, you almost certainly need a Commercial EPC.

Need advice:
https://epcrate.co.uk/contact-us-epc-services-london/