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SEAI Windows & Doors Grant

The SEAI has introduced grants to help homeowners and property owners upgrade to high-performing, energy-efficient windows and external doors. As an SEAI registered contractor, Declan Buggy Doors & Windows (Contractor ID:14662) can help you understand the requirements, choose compliant products, and complete the installation to the required standard.

Important: Final eligibility and grant payment decisions are made by SEAI. You must follow SEAI’s application process and documentation requirements.

When can I apply?

Applications open on Monday, 2 March 2026.

SEAI also confirms that homeowners who have commenced or ordered a window and/or door upgrade since the government announcement on 27 January may be eligible to apply, provided scheme requirements are met and registered contractors are used.

Grant amounts

Windows (once-off grant)

The window grant depends on your dwelling type:

  • Apartment: €1,500
  • Mid-terrace: €1,800
  • Semi-detached / End of terrace: €3,000
  • Detached: €4,000

External doors

  • €800 per door (maximum of 2 doors)

You can apply for the windows grant, the doors grant, or both (where you meet the scheme requirements).

Who can apply?

SEAI states the following applicant types can apply (where the property meets scheme rules):

  • Homeowners
  • Companies and owner management companies
  • Registered charities
  • Holiday home owners
  • Approved Housing Bodies (AHB)
  • Landlords

Your home must:

  • Have an MPRN (your electricity meter number)
  • Be built and occupied prior to 2011

Eligibility checklist

To qualify, SEAI indicates:

  • You must be replacing existing single or double glazed windows with high-performing windows
  • You must be replacing inefficient external doors (where applicable)
  • You must have adequate attic and wall insulation in place

How do I know if my insulation is “adequate”?

SEAI guidance includes:

  • If your home previously received SEAI grants for attic and wall insulation, SEAI indicates sufficient insulation is in place
  • If you have a BER Advisory Report, check whether attic and wall insulation are marked “Good” or “Very Good”
  • If you don’t have an advisory report (or it’s older), a BER assessor can advise or carry out a pre-works BER assessment

If you need extra insulation first, there are separate SEAI grants available for attic and wall insulation.

How the process works

  1. Get quotes from SEAI registered contractors
  2. Apply to SEAI for a grant offer
  3. Wait for the grant offer (do not commence works before receiving your offer, unless SEAI’s stated exception applies)
  1. Complete the works
  2. Get a post-works BER
  3. SEAI pays the grant to your account (inspection may apply)

How Declan Buggy Doors & Windows Helps

  • Survey & advice on the best window/door upgrade approach for comfort, warmth, and airtightness
  • Supply & fit energy-efficient windows and doors designed to meet SEAI performance requirements
  • Documentation support so you have what you need for the Declaration of Works and payment stage
  • Where applicable, we can work on a net-of-grant basis (SEAI allows contractors to be paid via the Request for Payment form when the applicant nominates the contractor’s bank details)

Areas we cover

We’re based in Kilkenny and serve Kilkenny and surrounding counties across the South East. If you’re unsure whether we cover your area, get in touch and we’ll confirm.

Get a quote

If you’re planning an SEAI grant-supported window or door upgrade, contact Declan Buggy Doors & Windows today. We’ll confirm what you need, advise on compliance, and provide a clear quote.

Call: 087 668 6391
Email: info@declanbuggydoorsandwindows.ie

FAQs

U-value indicates how well a building element (like a window or door) prevents heat loss. Lower U-values mean better insulation.

Yes — SEAI requires a post-works BER after windows and doors are installed (and notes this is grant-aided).

SEAI indicates you can claim for upgrades on the original part of the house and for extensions built before 1 January 2011. Extensions built after that date are not eligible.

No. SEAI states the windows grant is once-off, and you must still meet the post-works HLI requirement.

No. SEAI states grants cannot be backdated.

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