An Energy Performance Certificate (EPC) in the UK is generally valid for 10 years, but there are circumstances where an EPC may need to be updated or replaced rather than “extended.”

✅ Scenarios That Trigger a New EPC (Not an Extension):
  • Property Renovation or Extension:
    If your building has undergone significant structural changes, such as a loft conversion, new insulation, or an added extension, a new EPC is required. These changes affect your building’s energy efficiency and must be reflected in an updated report.
    ➤ Learn more on our Residential EPC page

  • Change in Use:
    If the building’s use changes from residential to commercial (or vice versa), a new EPC will be needed based on the new classification.

  • Before Sale or Letting:
    If you are selling or letting a property and the existing EPC is over 10 years old, or significant upgrades have occurred, a new EPC is strongly recommended.
    Request a Same-Day EPC


Can You Extend an EPC?

Technically, EPCs cannot be “extended.” Once an EPC expires after 10 years, you must commission a new assessment by a certified energy assessor.
Book a certified EPC assessor here


Why Update an EPC Sooner?

Updating your EPC can:

  • Improve energy ratings, especially after upgrades

  • Help with selling or renting at a better price

  • Ensure you meet legal compliance


📞 Call Us Today:+44 7741 812 864
📧 Email: info@urgentepc.co.uk

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