SEAI Grants for Attic Conversions in 2026: Complete Guide

Free Money for Your Conversion (Up to €6,300)

Here’s what most homeowners don’t know: SEAI will pay you to insulate your attic. Not a loan, not a tax credit—actual cash in your bank account.

The catch? You need to know what’s available and apply before you start work.

What You Can Claim

Attic Insulation Grants

Property Type	Grant Amount
Detached House	€2,000
Semi-Detached	€1,500
Mid-Terrace	€1,400
Apartment	€800

First-Time Buyer Bonus

Extra €500 if you bought your first home in the last 12 months.

New for 2026: Windows & Doors

• Windows: €1,500 - €4,000
• Doors: €800 per door

Total potential: Up to €6,300

Real Example

The Dalys in Carrigaline:

• Attic insulation: €1,500
• 3 dormer windows: €2,500
• First-time buyer: €500
• Total grants: €4,500

Their €32,000 conversion became €27,500 after grants.

Do You Qualify?

You’re eligible if:

• ✅ House built before 2021
• ✅ It’s your home or rental property
• ✅ You haven’t claimed SEAI grants before

You must:

• Use an SEAI-registered contractor
• Apply BEFORE starting work
• Complete work within 6 months

The Simple Process

1. Choose contractor—must be SEAI registered
2. Apply online—takes 5 minutes
3. Get approval—usually 2 weeks
4. Complete work—contractor handles everything
5. Get paid—money in your account in 2-4 weeks

Calculate Your Grants

See exactly how much you could claim for your attic conversion:

Common Questions

“Can I use any contractor?”
No—must be SEAI registered. Ask for their registration number.

“How long for payment?“
2-4 weeks after work completion.

“What if I already started?”
You can’t claim for work already done. Apply before starting.

“Is it complicated?”
No—your contractor handles the paperwork. You just sign forms.

Get Help with Grants

We’re SEAI registered and handle the entire grant process for you. Get a free assessment and see how much you could save.

---

Disclaimer: Grant amounts may change. Check SEAI website for current information.