SEAI
Window & Door Upgrade Grant
Grant value: Up to €5,600 — up to €4,000 for windows, plus €800 per external door (max 2 doors). Significantly increased March 2026.
A grant towards the cost of upgrading windows and external doors to improve the energy efficiency of your home. Grant values were significantly increased in March 2026 — nearly tripling the previous window allowance.
Key Requirements
- ✓Home must have been built and occupied before 2011
- ✓Must use an SEAI-registered contractor
- ✓New windows must meet minimum U-value standard
- ✓Home must have adequate attic and wall insulation already in place
- ✓Works must not have started before grant approval
Applies to
existing homeownersecond handvacant
Last verified: 2026-05-01. Always confirm details with the scheme provider before applying.