The New BER Scale for 2026: What Irish Homeowners Need to Know
From May 2026, Ireland's Building Energy Rating (BER) system is changing. The updated scale is designed to make energy ratings easier to understand while aligning Ireland with European energy performance standards
What's Changing?
The current BER system includes multiple subcategories such as A1, A2, B1, B2 and C3. From May 2026, these sub-ratings will be removed and replaced with a simplified scale:
A0, A, B, C, D, E, F and G
The new A0 rating will recognise zero-emission buildings that achieve exceptional energy performance without relying on fossil fuels.
Why the BER Changes Matter
The simplified system will make it easier for homeowners, buyers and tenants to compare properties and understand their energy performance.
Future BER certificates will also provide more detailed information on:
- Energy consumption
- Carbon emissions
- Renewable energy contribution
- Recommended energy upgrades
As energy standards continue to rise, improving your home’s thermal performance becomes increasingly important.
Why the BER Changes Matter
The Role of Windows in BER Performance
Windows are one of the most significant factors affecting heat loss in Irish homes. Older single-glazed or inefficient double-glazed windows can allow substantial heat to escape, increasing heating costs and reducing overall comfort.
Upgrading to modern energy-efficient glazing can help:
- Reduce heat loss
- Improve indoor comfort
- Lower energy bills
- Enhance your BER rating
- Reduce carbon emissions
- Increase property value
At EnerGlaze, we provide advanced glazing solutions designed to maximise thermal efficiency and support homeowners looking to improve their home’s energy performance.
Will Existing BER Certificates Still Be Valid?
Yes. Existing BER certificates remain valid for up to 10 years from their issue date, unless significant renovation work is carried out that requires a new assessment.
However, homeowners planning renovations or energy upgrades should consider how improvements made today could contribute to a stronger BER rating under the new system.
Future-Proof Your Home with EnerGlaze
As Ireland moves towards higher energy efficiency standards, investing in quality glazing is one of the most effective ways to improve your home’s performance.
Whether you’re renovating an existing property or building a new home, EnerGlaze can help you choose energy-efficient window and glazing solutions that support comfort, sustainability and long-term value.
Contact our team today to learn how modern glazing can help improve your home’s energy efficiency and prepare for the future of BER ratings.
Home Energy Upgrades to boost your BER
When it comes to home energy upgrades, Energlaze has a proven track record all over Ireland.
Energlaze Home Energy Upgrades has improved the warmth and comfort of homes all over Ireland. The SEAI offers significant grants for upgrading your home’s BER, whether an individual upgrade or a full retrofit using the SEAI One Stop Shop scheme — Energlaze is a registered SEAI installer. Book a free consultation today and get expert advice and a free no-obligation quotation.
