FAQs
Common questions about BER certificates, the assessment process, and how to get the best rating.
A Building Energy Rating (BER) rates a home’s energy performance on a scale from A1 (best) to G (worst). It is similar to the energy label on appliances. See Your BER explained for more detail.
A BER is required when a home is offered for sale or rent, and the BER rating must be included in advertisements. New dwellings also require a BER.
A BER is generally valid for up to 10 years, provided there is no material change to the building that affects energy performance. If you upgrade your home (for example heating, insulation or renewables), you can commission an updated BER to reflect the improvements.
During the assessment, the assessor completes a dwelling survey (construction, insulation, heating, ventilation, lighting and other elements) and then calculates the BER using the SEAI DEAP methodology.
Yes. You can search the SEAI National BER Register using your BER number or MPRN (from your electricity bill) and download the BER certificate and advisory report.
The biggest drivers are typically insulation and airtightness, heating system efficiency and controls, ventilation approach, and renewables where appropriate. See Top tips and contact us if you would like to discuss upgrade options.
Some schemes use BER information to establish a baseline and demonstrate improvements. Requirements differ by scheme and can change, so always check SEAI guidance before starting works.
Still unsure?
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Need a BER?
Contact us with the property address/townland, type and any deadline.
Service area: Greater Dublin & Wicklow.