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What is the SEAI Window & Door Grant?

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The SEAI window and door grant is a government-funded scheme that helps Irish homeowners replace single-glazed or inefficient windows and doors with high-performance alternatives. Available to homes built before 2011, it provides up to €4,000 for windows and €1,600 for external doors — paid directly after installation by an SEAI registered contractor.

SEAI — the Sustainable Energy Authority of Ireland — runs this scheme as part of Ireland’s broader home energy upgrade programme. The grant was updated in 2024 to become standalone, meaning you no longer need to bundle it with other upgrade works through a One Stop Shop. That’s a significant change. It makes the process much simpler for most homeowners.

The grant is paid after the work is completed and verified, so there’s no upfront application fee or complicated pre-approval process. You choose your windows, choose an SEAI registered contractor (like Airtight), and SEAI pays the grant directly to reduce your final bill.

How Much is the SEAI Grant for Windows?

The amount you can claim depends on your property type. Here’s the full breakdown for windows — plus what’s available for external doors on top of that.

Property Type	Window Grant	Door Grant	Combined Max
Apartment	€1,500	€1,600	€3,100
Mid-Terrace	€1,600	€1,600	€3,400
Semi-Detached	€3,000	€1,600	€4,600
Detached	€4,000	€1,600	€5,600

Grant amounts shown are maximums and subject to SEAI confirmation. Figures correct as of 2025.

Can I combine the window grant with other SEAI grants?

Yes. The window and door grant can be combined with other SEAI home energy upgrade grants — such as insulation, heat pump, or solar — as part of a broader retrofit project. Combining measures can significantly increase your total grant value. Ask us about this when you request a quote.

Am I Eligible for the SEAI Window Grant?

The eligibility rules are pretty straightforward. You’ll need to tick all four boxes below to qualify. If you’re unsure about any of them, contact us – we check this for every customer before submitting anything.

The house must be built and occupied prior to 2011

You must be replacing existing single or double glaze windows with high- performing windows (1.4 or better)

You must be replacing inefficient doors

You must have adequate attic and wall insulation

Why Choose Airtight as Your SEAI Registered Contractor?

There are plenty of window companies in Ireland. Not all of them are registered with SEAI, and fewer still understand the grant process inside out. Here’s what makes working with Airtight different.

Grant-Compliant Products

Every window and door we install meets or exceeds the SEAI U-value requirements of 1.4 W/m²K.

Local to You

Based in Dublin, serving Dublin, Wicklow, and Kildare. Fast site visits and no long waits for installation dates.

15+ Years Installing Windows

We've been fitting windows and doors in Irish homes since before the grant even existed. We know what we're doing.

Free Quote in 24 Hours

Request a quote today and we'll have a detailed, no-obligation breakdown back to you within 24 hours.

How to Apply for the SEAI Window Grant — Step by Step

This is the process to follow if you’re applying for the grant yourself. If you’re using a One Stop Shop, they will manage this process for you.

Get quotes from registered contractors

Contact at least two SEAI-registered contractors to get quotes for your upgrade works — only registered contractors are eligible for SEAI grants, so don't hire anyone who isn't on their approved list.

Apply to SEAI for grant offer

Once you have your quotes, submit your grant application online at seai.ie with your contractor details and the works you plan to carry out.

Wait to receive your grant offer

SEAI will review your application and send you a formal grant offer, this is the most important step, as starting any works before you receive this offer means you will lose your grant entirely.

Complete the works

Once you have your grant offer in hand, give your contractor the go-ahead and have the energy upgrade works completed to the agreed specification.

Get a post works BER

After works are finished, a registered BER assessor must visit your home to carry out a new Building Energy Rating — this confirms your home has improved and is required to release payment.

Submit required documents to SEAI

Upload your contractor invoices, proof of payment, and your new BER certificate to the SEAI portal to trigger the final review of your claim.

SEAI pays your grant (inspection may apply)

Once everything checks out, SEAI will transfer the grant amount directly into your bank account — note that a small percentage of homes are selected for a physical inspection before payment is released.

SEAI Window & Door Grant — Serving Dublin, Wicklow & Kildare

Airtight are based in Dublin and cover the Greater Dublin Area plus counties Wicklow and Kildare. If you’re in any of the areas below, we can visit your home, confirm eligibility.

Swords

Dún Laoghaire

Malahide

Bray

Wicklow

Greystones

Delgany

Blessington

Naas

Newbridge

Celbridge

Leixlip

Maynooth

Kildare

Ballyfermot

Kylemore

Ballymount

Clondalkin

Lucan

Palmerstown

Chapelizod

Rathcoole

Saggart

Kingswood

Frequently Asked Questions About SEAI Grant Service Windows and Doors

Explore our products to learn more about your options and in addition receive a quote from us.

How much is the SEAI grant for windows in Ireland?

The SEAI window grant provides up to €4,000 for a detached home, €3,000 for semi-detached and mid-terrace properties, and €1,500 for apartments. An additional grant of up to €1,600 is available for external doors — bringing the combined maximum to €5,600 for detached homes.

Am I eligible for the SEAI window grant?

“If your home was built
before 2011 and has adequate wall and roof insulation, you may qualify for a window
& door grant from the SEAI. The BER advidory report outlines current levels of wall
and attic insulation. Further information is available at www.seai.ie

Does my home need to be built before 2011 for the SEAI grant?

Yes. The SEAI window and door grant is only available to homes that were built and occupied before 2011. Homes built from 2011 onwards were constructed to higher energy standards and don’t qualify for this particular measure.

Can I get the SEAI grant if I've already had insulation done?

Absolutely. If your attic or wall insulation has already been completed — whether through SEAI previously or through other works — you can still qualify for the window and door grant. The insulation just needs to be in place; it doesn’t need to be done at the same time.

Do I need a One Stop Shop for the new window grant?

No. As of 2024, the SEAI window and door grant is available as a standalone measure. You don’t need to go through a One Stop Shop or bundle it with a heat pump, solar, or other measures. You simply choose a registered contractor (like Airtight), get your windows installed, and claim the grant.

What U-value do my new windows need to meet for the SEAI grant?

New windows must achieve a U-value of 1.4 W/m²K or lower to qualify for the SEAI grant. All windows and doors supplied and installed by Airtight meet or exceed this specification as standard — this isn’t something you need to verify separately.

Can I get the SEAI grant in Wicklow or Kildare?

Yes. The SEAI window and door grant is available nationwide to all eligible homes in Ireland. Airtight are SEAI registered contractors covering Dublin, Wicklow, and Kildare.

SEAI Grant for Windows & Doors in Ireland — Up to €5,600 Available