Window Cost in Ireland 2026 — Per m², Per Window, and the Full Schedule Budget
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uPVC double: €450–€750/m². Triple alu-clad: €1,000–€1,500/m². A 30 m² window schedule: €13,500–€45,000 installed.
Window cost in Ireland 2026 per m² of window, installed: uPVC double-glazed €450–€750, uPVC triple-glazed €650–€950, timber double €700–€1,100, timber triple €900–€1,400, alu-clad triple €1,000–€1,500, aluminium triple €900–€1,400. A 150 m² house has 25–35 m² of windows (about 15% of floor area). A 30 m² window schedule: €13,500–€45,000 installed. Plus €3,500–€8,500 for a sliding or bifold door. BER A1 needs triple-glazing and a thermally-broken frame. A2/A3 can use double with low-E coatings and warm-edge spacer bars. Most Irish self-builds on A1 budgets use triple-glazed alu-clad timber.
TL;DR
Window cost in Ireland 2026: uPVC double €450–€750/m², uPVC triple €650–€950, timber double €700–€1,100, triple alu-clad €1,000–€1,500.
A 30 m² window schedule: €13,500–€45,000 installed. Plus €3,000–€8,000 for a sliding or bifold door.
BER A1 needs triple-glazing and a thermally-broken frame. A2/A3 can use double with low-E coatings.
When this matters most
You're budgeting the window schedule.
When this doesn't apply
The windows are in.
Frequently asked questions
How much do windows cost in Ireland in 2026?
uPVC double: €450–€750/m². Triple alu-clad: €1,000–€1,500/m². A 30 m² window schedule: €13,500–€45,000 installed.
What is the cheapest window in Ireland?
uPVC double-glazed. €450–€750/m² installed. Standard for new builds. Zero maintenance. U-value 1.2–1.4 W/m²K.
What is the most expensive window in Ireland?
Triple-glazed alu-clad timber. €1,000–€1,500/m² installed. U-value 0.7–0.9. Best for BER A1 and Passive House.
Sources
NSAI, I.S. EN ISO 10077. https://www.nsai.ie/
Frequently asked questions
How much do windows cost in Ireland in 2026?
uPVC double: €450–€750/m². Triple alu-clad: €1,000–€1,500/m². A 30 m² window schedule: €13,500–€45,000 installed.
What is the cheapest window in Ireland?
uPVC double-glazed. €450–€750/m² installed. Standard for new builds. Zero maintenance. U-value 1.2–1.4 W/m²K.
What is the most expensive window in Ireland?
Triple-glazed alu-clad timber. €1,000–€1,500/m² installed. U-value 0.7–0.9. Best for BER A1 and Passive House.
When this matters most
You're budgeting the window schedule.
When this doesn't apply
The windows are in.
Where to go next
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Adjacent decisions at the same stage.