Bifold doors in Roscommon
Bifold door supply and installation across Co. Roscommon, including Roscommon, Boyle, Ballaghaderreen, Castlerea. In our national price guide, a 3-panel thermally broken aluminium bifold door (2.4m–3.0m) is €3,600 to €5,800 supplied and fitted, a 4-panel set (3.2m–4.0m) is €4,800 to €7,600, and widening a rear wall with an RSJ steel lintel adds €1,800 to €3,500.
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- €3,600 to €5,8003-panel aluminium bifold (2.4m–3.0m), supplied & fitted
- €4,800 to €7,6004-panel aluminium bifold (3.2m–4.0m), supplied & fitted
- 50%of pre-2011 Roscommon BER homes have older double glazing
- 2,088heating degree days near Roscommon
What bifold doors cost in Co. Roscommon
| Bifold configuration | Thermally broken aluminium | Aluminium triple (0.9 W/m²K) | Scandinavian timber alu-clad |
|---|---|---|---|
| 3-panel bifold (2.4m–3.0m opening) | €3,600 to €5,800 | €4,140 to €6,760 | €4,800 to €7,400 |
| 4-panel bifold (3.2m–4.0m opening) | €4,800 to €7,600 | €5,520 to €8,880 | €6,400 to €9,600 |
| 5-panel bifold (4.2m–5.0m opening) | €6,000 to €9,400 | €6,900 to €11,000 | €8,000 to €11,800 |
| 6-panel bifold (5.2m–6.0m opening) | €7,200 to €11,500 | €8,280 to €13,420 | €9,600 to €14,200 |
| Rear wall knock-through + RSJ lintel | €1,800 to €3,500 | €1,800 to €3,500 | €1,800 to €3,500 |
Our supply-and-fit price guide for Co. Roscommon, inclusive of 13.5% VAT. Your specialist confirms the exact price in writing after measuring the structural opening.
Glazing, door areas and towns in Co. Roscommon
- 74%detached houses in Co. Roscommon (CSO Census 2022)
- 18%semi-detached homes
- 23%built between 1981 and 2000
- 3.7 m² / 3.7 m²median external door area (semi / detached BER)
Across Co. Roscommon, 50% of pre-2011 BER certificates record older double glazing (U-value 2.5 to 4.0 W/m²K, 25th of 26 counties) and a median window area of 14.79 m² on a semi-detached house. A further 23% of Roscommon housing stock dates from 1981 to 2000 and 39% before 1981 — the prime cohorts where narrow, draughty 1.8m aluminium or uPVC sliding patio doors are now being widened into 3.0m to 4.2m bifold openings.
Near Roscommon, a typical year averages 2,088 heating degree days (the 8th coldest of the 26 county towns). Because a 3-panel or 4-panel bifold door spans 5 m² to 8.5 m² of glass, specifying polyamide thermally broken frames with warm-edge low-E double glazing (Ud 1.3–1.4 W/m²K) or triple glazing (Ud 0.9 W/m²K) keeps the kitchen warm right up to the glass.
Towns covered in Co. Roscommon (CSO Census 2022 population): Roscommon (6,555), Boyle (2,915), Ballaghaderreen (2,387), Castlerea (2,348), Lanesborough-Ballyleague (1,733), Strokestown (850).
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Roscommon bifold door questions
How much do bifold doors cost in Roscommon?
In Co. Roscommon, a 3-panel thermally broken aluminium bifold door (2.4m–3.0m) costs €3,600 to €5,800 supplied and fitted, a 4-panel door (3.2m–4.0m) costs €4,800 to €7,600, and a 5-panel door costs €6,000 to €9,400. Widening a rear wall with an RSJ steel lintel adds €1,800 to €3,500.
Do I need planning permission to fit bifold doors at the back of a house in Roscommon?
Replacing or widening a ground-floor rear patio door opening facing your back garden is normally exempted development under Section 4(1)(h) of the Planning and Development Act 2000. If your home is a Protected Structure or in an Architectural Conservation Area, check with Roscommon County Council first.
Which towns in Co. Roscommon are covered for surveys?
All of Co. Roscommon, including Roscommon, Boyle, Ballaghaderreen, Castlerea, Lanesborough-Ballyleague and surrounding rural areas. Your request goes to one vetted bifold door company covering your county.
Should I choose double or triple glazed bifold doors in Roscommon?
With 2,088 heating degree days a year near Roscommon, double-glazed low-E argon bifolds (Ud 1.3–1.4 W/m²K) suit sheltered south- or west-facing patios, while 0.9 W/m²K triple glazing (adding €180 to €320 per panel) is well worth it on north/east elevations or large open-plan kitchen extensions.
Bifolding doors across all 26 counties
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Planning bifold doors for an extension or patio knock-through?
One vetted company covering your county surveys the opening, checks the lintel and threshold, and gives you a written price.