SEAI Grants Explained: The Complete 2026 Guide for Homeowners
A clear, up-to-date guide to SEAI grants in 2026: what they cover, how much you can get, who qualifies and exactly how to apply for your home energy upgrade.
Straight-talking guides to SEAI grants, home insulation, reroofing and energy upgrades, written for homeowners across Cork and Munster.
A clear, up-to-date guide to SEAI grants in 2026: what they cover, how much you can get, who qualifies and exactly how to apply for your home energy upgrade.

What external wall insulation costs in Ireland in 2026, the SEAI grant available, how it compares to cavity and internal insulation, and whether it pays off.

Attic insulation is the cheapest, fastest home energy upgrade in Ireland. Here is the SEAI grant, what it costs, what you save, and exactly how to claim it in 2026.
What a BER (Building Energy Rating) means for your home in Ireland, how the A–G scale works, why it matters for bills and selling, and how to improve it.