Casement windows in Laois
Casement window supply and fitting across Co. Laois, covering Portlaoise, Portarlington, Mountmellick, Mountrath. A white A-rated uPVC casement window is €350 to €850 supplied and fitted, a flush sash casement is €750 to €1,300, and a typical Laois 3-bed semi (14.92 m² median BER window area) runs €4,500 to €8,800 before the €3,000 SEAI grant.
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- €350 to €850per white uPVC casement window, supplied & fitted
- 54%of pre-2011 Laois BER homes have older double glazing
- 14.92 m²median window area on a Laois semi-D BER
- 2,080heating degree days near Portlaoise
What casement windows cost in Co. Laois
On SEAI's BER register for pre-2011 homes in Co. Laois, a typical semi-detached house has a median 14.92 m² of window area and a detached house has 21.26 m². At our installed guide prices per window and per square metre, replacing all casement windows in Co. Laois typically costs:
| Casement frame & glass | Single window (fitted) | Laois semi-D (14.92 m²) | Laois detached (21.26 m²) |
|---|---|---|---|
| White uPVC casement (double glazed, Uw ≤ 1.4) | €350 to €850 | €6,714 to €11,190 | €9,567 to €15,945 |
| Coloured or triple-glazed uPVC (Uw 0.8) | €550 to €1,100 | €9,698 to €14,174 | €13,819 to €20,197 |
| Flush sash casement (timber-look exterior) | €750 to €1,300 | €11,190 to €16,114 | €15,945 to €22,961 |
| Thermally broken aluminium casement | €700 to €1,550 | €13,428 to €20,888 | €19,134 to €29,764 |
Our sums from Co. Laois's median BER window area, inclusive of 13.5% supply-and-fit VAT. Subtract €3,000 (semi-D) or €4,000 (detached) if claiming the 2026 SEAI Windows Grant.
BER glazing figures and towns in Co. Laois
- 54%older double glazing on pre-2011 Laois BERs (20th of 26)
- 6.1%still with single glazing
- 23%of Laois homes built 1981–2000 (CSO Census)
- 55%detached houses in the county
Across Co. Laois, 60% of pre-2011 homes on the BER database still have older double glazing (U-value 2.5 to 4.0 W/m²K) or single glazing (4.0+ W/m²K), with a county median window U-value of 2.7 W/m²K. Because 23% of Laois homes were built between 1981 and 2000 and 33% before 1981, thousands of early aluminium and first-generation uPVC casements now have dropped friction hinges, perishing rubber gaskets and misted double-glazed units.
Near Portlaoise, a normal year brings 2,080 heating degree days (the 9th coldest of the 26 county towns). Replacing 2.7+ W/m²K windows with A-rated casements at 1.2 W/m²K (double) or 0.8 W/m²K (triple) cuts window heat loss by 55% to 70%.
Main towns covered in Co. Laois (Census 2022 population): Portlaoise (23,494), Portarlington (9,288), Mountmellick (4,905), Mountrath (2,070), Abbeyleix (1,897), Stradbally (1,404).
Casement Window coverage across every town in Co. Laois
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Local casement window coverage across Co. Laois includes Portlaoise, Portarlington, Mountmellick, Abbeyleix, Mountrath, Graiguecullen (Laois side), Rathdowney, Stradbally, as well as Ballylinan, Durrow & Ballinakill, Borris-in-Ossory and surrounding rural townlands.
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Laois casement window questions
How much do casement windows cost in Laois?
In Co. Laois, a white A-rated uPVC casement window costs €350 to €850 supplied and fitted, a flush sash casement costs €750 to €1,300, and an aluminium casement costs €700 to €1,550. A typical Laois semi-D (14.92 m² of window) runs €6,714 to €11,190 in uPVC.
Can I get the SEAI Windows Grant in Laois?
Yes. The 2026 SEAI Windows Grant applies across Co. Laois: €4,000 for a detached house, €3,000 for a semi-D or end-terrace, €1,800 for a mid-terrace, and €1,500 for an apartment on pre-2011 homes meeting the BER heat-loss requirement.
Which towns in Co. Laois are covered?
All of Co. Laois, including Portlaoise, Portarlington, Mountmellick, Mountrath, Abbeyleix and surrounding areas. Your request goes to one vetted window company covering your county.
Should I pick double or triple glazed casement windows in Laois?
With 2,080 heating degree days near Portlaoise, triple-glazed casement windows (0.8 W/m²K, €550 to €1,100 per window) are strongly recommended for north- and east-facing rooms, exposed rural sites and homes upgrading to a heat pump.
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