Grants & Support for External Wall Insulation in Ireland (2026 Edition)
External Wall Insulation (EWI) is a great way to improve your home’s energy efficiency, and with government grants available, it’s more accessible than ever in 2026.
Last updated: September 2026
SEAI Home Energy Grants
The Sustainable Energy Authority of Ireland (SEAI) offers a range of supports for homeowners upgrading their insulation. Grants are available for external wall insulation under both individual upgrades and the One Stop Shop scheme.
Who Can Apply?
- Homes built and occupied before 31 December 2010
- Owner occupiers, holiday homes and owner management companies
- Registered charities and Approved Housing Bodies (AHBs)
- Non-private and commercial landlords of tenanted properties
- Homes that have already had one wall insulation grant can now apply for a second wall insulation measure, subject to what was installed first
- Full criteria are on the SEAI wall insulation page
How Much Can You Receive?
- Detached house: up to €8,000
- Semi-detached or end of terrace: up to €6,000
- Mid-terrace: up to €3,500
- Apartment: up to €3,000
Not sure which insulation method suits your walls? Compare cavity fill, internal dry lining and external wall insulation side by side, including the grant available for each.
Why Use a Certified Baumit Installer?
Baumit systems are SEAI approved and must be installed by registered contractors to qualify for funding. Explore training for certified installers.
If you wish to find a local contractor to quote for your next project please contact us
Start Your Application
You can apply directly on the SEAI website or work with a registered contractor who handles the paperwork for you.
Download our EWI brochure or contact us to discuss your grant eligibility and project scope today.