How Long Does a BER Cert Last?
A BER certificate is valid for 10 years from the date it was issued, unless changes are made to the property that affect its energy performance. A provisional BER for a new build is valid for a maximum of 2 years.
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Get BER QuotesWhen Does a BER Need to Be Replaced Early?
If you make changes to your property that affect its energy performance, your BER may no longer be accurate. This includes:
- Building an extension or converting the attic
- Installing a new heating system, such as a heat pump
- Major renovation or structural work
- Major insulation upgrades
If you have made changes like these, you should get a new BER before selling or renting the property.
Is My Old BER Still Valid After the 2026 Changes?
Yes. The BER scale changed on 24 May 2026, but the SEAI has confirmed that all existing BER certificates remain valid for 10 years from their date of issue. You can still use an older BER (for example one showing B2 or C3) to sell or rent your property, including when renewing a rental contract, unless major renovations have taken place. Old ratings are not converted to the new scale, and you don't need a new BER just because the scale has changed.
Provisional BERs for New Builds
A provisional BER is based on the plans of a new home, and is used if the home is sold or rented before it's built. It's valid for a maximum of 2 years. Once the home is complete, it needs a full BER before it's first occupied.
How to Check When Your BER Expires
You can check your BER's expiry date on the SEAI National BER Register using your BER number or the MPRN number on your electricity bill. See Find Your BER Rating.
What Happens When a BER Expires?
Once a BER expires it can no longer be used to sell or rent a property, and the SEAI can't provide copies of expired certificates. You'll need a new BER assessment.
Upgraded Your Home?
If you've carried out energy upgrades, getting a new BER can show the improvement to buyers or tenants. A new BER is also required after the works for some SEAI grants. See BER certs for SEAI grants.
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