When buying, selling, or renting, an Energy Performance Certificate (EPC) is one of the most important documents linked to your property. It tells you how energy efficient your home is and how costly it might be to run. Fortunately, finding and understanding your EPC is easier than ever thanks to online EPC checker tools.
Let’s explore how EPC works, how to check yours, and what to do if you need to improve your rating.
Related: What is the average energy bill in the UK
What is an EPC checker and why it matters
An EPC certificate gives a property an energy efficiency rating from A (most efficient) to G (least efficient). It also lists potential improvements to reduce energy use and emissions.
An EPC checker is an online tool that lets you search for and view a property’s certificate instantly. Using your address or postcode, you can see the full report, including energy costs and recommendations.
Why does it matter? EPCs affect much more than compliance. They influence buyer decisions, rental values, and even mortgage eligibility. Many lenders now consider energy efficiency in their affordability assessments, and tenants increasingly prefer properties with higher EPC ratings.
Related: Energy efficiency standards; A guide for landlords
How to use an EPC checker tool to find your EPC
The easiest way to view your certificate is to use the government’s official EPC register.
- Visit the GOV.UK EPC rating checker page.
- Enter your postcode or property address.
- Choose your property from the list.
- View or download the PDF of your Energy Performance Certificate.
If no certificate appears, it may have expired or never been issued. In that case, you’ll need to arrange for an EPC assessor near me to visit your property and carry out a fresh inspection.
Related: Energy efficiency in rental properties
Legal compliance: who needs an EPC
By law, every home being sold or rented in the UK must have a valid EPC before it’s marketed.
- For homeowners: You must provide an EPC to potential buyers.
- For landlords: You need a valid EPC for landlords before advertising the property for rent. It’s also a legal requirement that your property meets the minimum rating of E or above.
- For new builds: Developers must produce an EPC before the property is completed.
Failure to provide an EPC can result in fines, so it’s worth double-checking your certificate’s validity well in advance.
Related: EPC ratings explained: Your guide to understanding EPC certificates
How the EPC assessment works
When you book an assessment, a qualified EPC assessor will visit your property and carry out a visual inspection. They’ll look at key elements such as:
- Insulation in the roof, floors, and walls
- Heating systems and boiler efficiency
- Windows and glazing type
- Lighting and energy-saving fittings
The visit usually takes around 30 to 60 minutes, depending on the size of your home. Once complete, you’ll receive your certificate within a few days.
Improving your EPC rating: Pre-inspection checklist
Before your assessment, a few small improvements can make a big difference:
- Replace old halogen bulbs with LED lights.
- Bleed radiators and service your boiler.
- Add loft or cavity wall insulation if missing.
- Draught-proof windows and doors.
- Install smart heating controls or thermostats.
These changes not only help you achieve a better EPC rating but also improve comfort and reduce running costs.
Related: Top energy saving tips for your home
Common pitfalls and compliance risks
Some properties lose points on their EPC because of avoidable issues. Common pitfalls include:
- Outdated or unserviced boilers.
- Single-glazed windows.
- Poor insulation in lofts or extensions.
- Incorrect or missing documentation for renewable systems.
For landlords, ignoring EPC compliance can lead to more serious problems. Renting out a property with a rating below E breaches the Minimum Energy Efficiency Standards (MEES) regulations, which can lead to fines of up to £5,000 per property.
Understanding the EPC rating details
Each EPC includes two ratings:
- Current rating: your property’s present energy efficiency.
- Potential rating: what you could achieve by making the recommended improvements.
You’ll also see estimated annual energy costs, carbon emissions, and a breakdown of performance by element (walls, heating, lighting, etc.). This helps you understand where the biggest efficiency gains can be made.
Related: How does an EPC rating affect your mortgage?
How long EPCs stay valid and when to renew
An EPC is valid for 10 years from the date of issue. You don’t have to renew it unless you’re selling or renting your property again, but it’s a good idea to update it after making significant energy improvements.
For example, if you’ve replaced your windows, upgraded your heating system, or added solar panels, commissioning a new EPC will ensure your efforts are accurately reflected in the rating.
Exemptions and local rules
While EPC rules are consistent across England and Wales, there are some exemptions. For example, listed buildings or properties where energy efficiency improvements could negatively affect the structure or character may not require an EPC. In such cases, these properties are exempt from the standard EPC requirements, though other regulations may still apply.
Additionally, local councils may set additional sustainability standards for new developments, so it’s important to check your local authority’s guidance if you’re planning to renovate or let your property.
Expert guidance
If you’re planning to buy, sell, or let your home, contact your Martin & Co local branch today to speak with property experts and make sure your home meets the latest energy standards.
