SEAI grants
Wall insulation grant in 2026
SEAI offers up to €8,000 for eligible wall insulation work. Eligibility is decided by SEAI; check the official terms before starting work.
Updated 2026-10-08 · SEAI grant details
What it can help with
Add cavity, internal or external insulation to reduce heat loss. It may suit homes with cold or poorly insulated walls.
Before you apply
Use the official SEAI guidance to check the measure, your home and your contractor. Grant-funded work needs the relevant SEAI-registered contractor; SEAI decides eligibility and grant payment.