Attic insulation grant for a detached house
SEAI pays €2,000 for attic insulation on a detached house (€2,500 for first-time buyers and homeowners on qualifying welfare payments). SEAI’s median cost for this work on this type of home is €2,700, which leaves about €700 to pay.
The figures
| Self-managed | One Stop Shop | |
|---|---|---|
| Attic insulation | €2,000 | €2,000 |
| Typical cost (SEAI median) | €2,700 | its own price |
| Left to pay | €700 | plus its fees |
How many homes like this need it
Published BERs for detached houses, by when they were built: the share that have an attic short of the grant standard.
| Built | BERs | Share |
|---|---|---|
| Before 1940 | 14,611 | 96% |
| 1940–1969 | 9,548 | 90% |
| 1970–1989 | 16,188 | 81% |
| 1990–2004 | 20,434 | 88% |
| 2005–2010 | 11,201 | 89% |
SEAI’s rules for this grant
The insulation has to reach the standard SEAI sets for the grant.
“U-Value (0.16W/m2K” SEAI: Homeowner's guide to attic and rafter insulation, read 25 Sept 2026
An apartment with another directly above it cannot get the attic grant.
“An apartment with separate apartments located directly above is not eligible.” SEAI: Attic insulation grant, read 13 Jul 2026
The first-time buyer figure is for homes bought on or after 1 January 2025.
“You must have purchased the property on or after 1 January 2025.” SEAI: Attic insulation grant, read 13 Jul 2026
Each measure is grant-aided once per home.
“Your home has not previously received SEAI grant support for the chosen home energy upgrade measure.” SEAI: Individual grants: Homeowner Application Guide, read 25 Sept 2026
How to apply
1Get the grant offer first
Apply online to SEAI and wait for the offer before any work starts or materials are bought.
2Choose a registered contractor
The contractor has to be registered with SEAI for this work.
3Accept within 30 days
You have 30 days to accept the offer.
4Finish within eight months
You have eight months from the offer to finish and claim.
5Get a BER after the works
Every claim needs a BER after the works, by a registered BER assessor.
6Claim, and wait for payment
SEAI says to allow 4 to 6 weeks to process the payment.
Where it fits in the order
Grants depend on doing things in the right order. Worked plans for detached houses, by age:
Get the plan for your homeRegistered contractors, by county
10,007 listings on SEAI’s register for this work
Companies on SEAI’s register for attic insulation that serve each county. Registration is a fact about paperwork; SEAI does not endorse their work. See them by county
- Carlow483
- Cavan215
- Clare340
- Cork341
- Donegal211
- Dublin480
- Galway306
- Kerry338
- Kildare484
- Kilkenny484
- Laois483
- Leitrim305
- Limerick343
- Longford480
- Louth483
- Mayo306
- Meath484
- Monaghan213
- Offaly483
- Roscommon305
- Sligo306
- Tipperary343
- Waterford342
- Westmeath480
- Wexford483
- Wicklow486