Building Energy Rating Certificate (BER)| Home Energy

A Building Energy Rating (BER) certificate rates your home's energy performance on a scale between A and G. A-rated homes are the most energy efficient while G-rated are the least energy efficient.

Get a BER Assessment

A BER assessment is the first step on your energy efficiency journey. Find out what is involved in a BER assessment and how to prepare for it.

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Find a BER Assessor

BER assessments are carried out by independent registered assessors. You can find your local BER assessor through the SEAI National Register of BER Assessors.

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BER Advisory Report

The BER Advisory Report is issued with a BER certificate and provides an energy improvement plan for homeowners. Follow this personalised plan to upgrade your home to a B2 energy rating or better.

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Find an existing BER

Building Energy Rating (BER) certificates are legally required if you are selling, renting or buying a home. Find out who needs a BER certificate and check to see if your property has one.
Find a BER for you
Get a BER assessment

A BER assessment is the first step on your energy efficiency journey. Find out what is involved in a BER assessment and how to prepare for it.
How to prepare for a BER assesment
Understand a BER

Find out what a Building Energy Rating (BER) Certificate means for a property's energy efficiency and your energy bills.
Understanding a BER
Improve a BER

Improving your BER will increase the comfort, value and energy efficiency of your home. It will also reduce your energy bills and carbon emissions.
How to improve a BER
Guidelines for selling and renting

Find the requirements, guidelines and artwork for including a property's Building Energy Rating (BER) in any sale or rental advertisements.
Information on the guidelines for selling and renting
Domestic Energy Assessment Procedure (DEAP)

BER Assessors use DEAP to publish Building Energy Rating (BER) certificates and advisory reports for homes
Learn more about the supports available
Support for BER Assessors

We support registered BER and DEC assessors with professional and technical guidance, training and software.
Learn more

Find an existing BER

Building Energy Rating (BER) certificates are legally required if you are selling, renting or buying a home. Find out who needs a BER certificate and check to see if your property has one.

Find a BER for you

Get a BER assessment

A BER assessment is the first step on your energy efficiency journey. Find out what is involved in a BER assessment and how to prepare for it.

How to prepare for a BER assesment

Understand a BER

Find out what a Building Energy Rating (BER) Certificate means for a property's energy efficiency and your energy bills.

Understanding a BER

Improve a BER

Improving your BER will increase the comfort, value and energy efficiency of your home. It will also reduce your energy bills and carbon emissions.

How to improve a BER

Guidelines for selling and renting

Find the requirements, guidelines and artwork for including a property's Building Energy Rating (BER) in any sale or rental advertisements.

Information on the guidelines for selling and renting

Domestic Energy Assessment Procedure (DEAP)

BER Assessors use DEAP to publish Building Energy Rating (BER) certificates and advisory reports for homes

Learn more about the supports available

Support for BER Assessors

We support registered BER and DEC assessors with professional and technical guidance, training and software.

Learn more

Guide to Building Energy Ratings for Homeowners

Are you considering a home energy upgrade? This Guide explains the BER certificates and advisory reports for homeowners. Get help on deciding what improvements you should make and what the first step is to get a Building Energy Rating.

View our guide