Building Energy Rating (BER) information

A BER rates your home's energy performance on a scale between A and G. A-rated homes are the most energy efficient.

Building energy ratings BER certificate information

House illustration with solar panels on the roof

Calculations and methodology

Registered BER assessors

Become a member

Registered BER assessors can now access our members area, designed to support domestic and non-domestic assessors with their day to day role.

Create an account

BER Helpdesk

Contact us with any questions about your Building Energy Rating certificate.

Email: [email protected]
Call: 018082054

Case Studies

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Greg-Heylin-OSS-customer
Featured
Home Energy Upgrades

Dublin house achieves A1 BER

Greg's 1950s end-of-terrace house on the south side of Dublin was transformed from a BER D2 to A1 after his home energy upgrade.

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Pauls-home-resized
Home Energy Upgrades

1970s dormer bungalow upgraded to a BER A2

Kildare family create their dream home transforming their
uninsulated bungalow into an A-rated airtight house.

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Natalie-and-Phil_KK_OSS
Home Energy Upgrades
Featured

Kilkenny couple transform their 90s bungalow through the One Stop Shop service

Homeowners Natalie and Phil give their cold, energy inefficient home an energy upgrade using a registered One Stop Shop which managed the entire project from start to finish.

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fergal-cantwell_1200px
Home Energy Upgrades

Envirobead Retrofit reaps benefits of being a One Stop Shop

The Envirobead team explains why they decided to register with SEAI as a One Stop Shop.,

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