SEAI Windows and Doors Grant 2026: what to know before you apply
If you are planning to replace older windows and doors, the SEAI grant can help you upgrade sooner. This page breaks down the typical steps, what homeowners usually need to prepare, and how to avoid common delays. We keep it practical and survey-focused so you can move from interest to installation without stress.
At-a-glance
- Start with a survey-led spec and quote
- Keep photos and product details for records
- Plan ventilation and airtightness together
- Use installers and specs aligned with requirements
Typical eligibility questions (quick self-check)
SEAI rules can change, so always confirm current requirements. In practice, most homeowners start by checking whether their property type and planned works are covered, and whether the installation approach and documentation will meet the scheme’s expectations.
Home type and existing condition
Older, draughtier homes tend to see the clearest comfort benefits. We will assess current windows, door seals, and how rooms are used.
Scope of works
Replacing a mix of windows and doors can be a sensible approach when you want better comfort and security across the whole envelope.
Ventilation and airtightness
Improving seals should be balanced with appropriate ventilation planning to support healthy indoor air.
Documentation readiness
Photos, product specs, invoices and dates are commonly requested. We tell you what to keep and why it matters.
How the grant process typically works
Below is a practical overview. The exact steps and requirements depend on SEAI’s current guidance. We help you plan the work so the technical choices you make (glazing, frames, vents, sealing) support comfort and keep your paperwork organised.
Step 1: Get a survey-led specification
We measure openings, discuss comfort targets (warmth, noise, security), and confirm options such as triple glazing, uPVC vs aluminium, and door sets.
Step 2: Confirm what to keep for records
We outline what documentation is typically useful, such as photos of existing units, specs of new units, and itemised invoices.
Step 3: Installation and handover
We install with protective coverings, tidy removal, correct sealing, and checks on vents, locks and smooth operation. You receive aftercare guidance and warranty documentation.
Step 4: Submit evidence as required
We ensure you have the practical information you may need to submit, and we can answer questions about your installed spec for clarity.
What upgrades tend to deliver the biggest comfort gains
A grant is helpful, but the real win is how your home feels. The biggest improvements usually come from combining a suitable glazing upgrade with careful sealing and a door replacement where the hallway is cold or the existing door is warped.
Triple glazing + airtight sealing
Comfort improves when the glass is better and the installation eliminates air leakage around the frame and reveals.
Composite door replacement
A modern composite door can reduce draughts at the entrance and improve security with multi-point locking.
Tip: ask for a quote with options
Most homeowners like to see a “best value” option and an “upgrade” option. It makes it easier to decide whether triple glazing or a door upgrade is the best use of budget for your home.
Request an options quoteFrequently asked grant questions
Quick answers focused on the decisions homeowners make most: specification, timing and documentation.
Not always. Many homes prioritise the coldest rooms first. Others replace both at once to improve airtightness consistently. A survey helps you decide what delivers the best comfort per euro.
They can help by improving internal surface temperatures and reducing draughts, but ventilation still matters. We discuss vents and airflow so comfort upgrades do not compromise indoor air quality.
Keep itemised invoices, product specs, dates, and before/after photos. We provide a simple checklist during your survey call so you have everything in one place.
Better glazing and improved sealing can support BER gains. If you are planning an assessment, we can align specs and documentation so your assessor has clear details.
Get a grant-ready quote, without the hassle
We will recommend a specification that suits your home and talk you through what to prepare. No pushy sales, just clear options and tidy workmanship.
Based in Dublin 2. Serving Dublin, Cork, Galway, Limerick and Waterford.