SEAI Windows and Doors Grant 2026: What Homeowners Need to Know
If your home's windows are draughty, outdated or letting heat escape, 2026 could be a good time to consider an upgrade. The SEAI Windows and Doors Grant provides financial support to eligible homeowners who want to improve their property's energy efficiency by replacing older windows and external doors.
For homeowners in Navan, Meath, Cavan, Dublin, Westmeath, Kildare, Louth and Wicklow, the grant could help reduce the cost of upgrading your home's windows and doors.
How Much Can You Get?
The amount available depends on the type of property you own.
Window grants:
Apartment – up to €1,500
Mid-terrace house – up to €1,800
Semi-detached or end-of-terrace house – up to €3,000
Detached house – up to €4,000
External door grants:
€800 per external door
Up to two external doors
Maximum grant of €1,600 for doors
This means an eligible homeowner could potentially receive up to €5,600 when combining the maximum window and door grants.
The actual amount you receive will depend on your property type and the work being completed.
Who Is Eligible?
Several requirements must be met before applying. Your home generally needs to have been built and occupied before 2011, while existing windows and doors must meet SEAI's criteria for replacement.
Your home must also have suitable attic and wall insulation, and the new windows must meet the required thermal performance standards.
A post-works BER assessment is also required once the installation is complete.
Because requirements can change, it's important to check the latest SEAI guidance before beginning any work.
Why Upgrade Your Windows and Doors?
Replacing older windows and doors isn't just about making your home look better. Modern, energy-efficient products can help improve comfort and reduce heat loss.
Upgrading can help:
Reduce draughts and cold spots
Improve the energy efficiency of your home
Create a warmer and more comfortable living environment
Improve security with modern locking systems
Give your property a fresh, updated appearance
However, choosing the right products and having them professionally installed is important to ensure they perform as expected.
How Do You Apply?
If you're planning to use the SEAI grant, you should follow the application process carefully.
Check your eligibility Make sure your property and proposed improvements meet the SEAI requirements.
Get a quote
Speak to a professional window and door company about your requirements and obtain a detailed quotation.
Apply for the grant
You must receive your grant approval before starting the work.
Complete the installation
Once approval has been received, your chosen contractor can carry out the work.
Complete your post-works BER
A post-work BER assessment is required following the installation.
Submit your documentation
Provide the required paperwork to SEAI and, once approved, receive your grant payment.
Windows and Doors Across Meath, Dublin & Surrounding Areas
WarmHaus Windows & Doors is based in Navan and provides professional window and door services to homeowners across Meath, Cavan, Dublin, Westmeath, Kildare, Louth and Wicklow.
We supply and install a wide range of Irish-made windows and doors, helping homeowners find solutions that suit their property, style and energy-efficiency requirements.
Whether you're replacing a few older windows, upgrading your front door or planning a larger project, our team can discuss your options and provide advice on suitable products.
Start Your Window or Door Upgrade
The 2026 SEAI Windows and Doors Grant could make improving your home's energy efficiency more affordable.
If you're considering new windows or doors in Navan, Meath, Cavan, Dublin, Westmeath, Kildare, Louth or Wicklow, contact WarmHaus Windows & Doors today.
Get in touch for a free, no-obligation quote and find out how we can help with your home improvement project.
Grant amounts, eligibility requirements and application procedures may change. Always check the latest information directly with SEAI before starting work.
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