Window Replacement Cost Calculator
New windows for a typical Dublin three-bed semi usually cost €6,000–€12,000 for uPVC, more for aluminium or timber. SEAI grants of up to €4,000 may be available for a complete upgrade. Use the calculator for an estimate.
- uPVC €6,000–€12,000 for a semi
- Aluminium and timber cost more
- SEAI grant up to €4,000
- Free quotes from vetted fitters
Typical prices
| Material | Per window (approx.) | Typical semi (about 10 windows) |
|---|---|---|
| uPVC | €600–€1,200 | €6,000–€12,000 |
| Aluminium | €1,000–€1,800 | €10,000–€18,000 |
| Timber | €1,200–€2,200 | €12,000–€22,000 |
Compare materials in our uPVC vs aluminium guide.
Cost calculator
Get a guide range based on typical 2026 Dublin prices.
A guide only. Your quote will depend on your property, access and the specification you choose.
Grants
SEAI grants of up to €4,000 for a complete window upgrade, plus €800 per external door, may be available for homes built and occupied before 2011. See the windows and doors grant.
Frequently asked questions
How much do new windows cost in Dublin?
Typically €6,000–€12,000 for uPVC in a three-bed semi, more for aluminium or timber.
Is there a grant for new windows?
Yes, SEAI offers up to €4,000 for a complete window upgrade, depending on home type.
How long does window replacement take?
Usually one to two days for a typical house, after a 4–8 week manufacturing lead time.
Find vetted contractors for this work
By area:
- Dublin North Coast: Raheny, Baldoyle, Donaghmede, Howth, Sutton, Portmarnock, Malahide
- Dún Laoghaire & South Coast: Blackrock, Booterstown, Monkstown, Dún Laoghaire, Dalkey, Killiney
- North Dublin City: Artane, Cabra, Clontarf, Coolock, Drumcondra, East Wall, Fairview, Glasnevin, Phibsborough, Stoneybatter
- Dublin 15: Blanchardstown, Castleknock, Mulhuddart, Ongar, Hansfield, Ashtown
- South West Dublin: Tallaght, Citywest, Firhouse, Knocklyon, Ballyboden, Templeogue, Walkinstown, Kimmage, Rathfarnham, Terenure
- South Dublin City: Ballsbridge, Donnybrook, Sandymount, Ranelagh, Rathgar, Harold's Cross, Churchtown, Dundrum
- North County Dublin: Swords, Lusk, Rush, Skerries
- West Dublin & Leixlip: Chapelizod, Palmerstown, Lucan, Leixlip, Adamstown, Clondalkin
- Stillorgan, Sandyford & Foxrock: Mount Merrion, Stillorgan, Goatstown, Sandyford, Cherrywood, Cabinteely, Foxrock, Deansgrange
Get free quotes from vetted contractors
Tell us what you're planning, where the property is and when you'd like to start. We'll match you with a vetted local contractor. For anything urgent, call 083 056 8710.
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For anything urgent, call 083 056 8710.