Modular buildings by county
Select your county for local CSO Census 2022 housing figures, heating degree days, council Class 3A notification details, and a quote from one supplier covering your area.
Free, no obligation. One vetted modular supplier covering your county prices it, not five.
- 66%of Irish households in detached or semi-detached houses (CSO Census 2022)
- 74%detached houses in Roscommon, the highest share
- 45 m²Class 3A exempt habitable garden dwelling limit across all 26 counties
- 26counties covered, one vetted supplier per area
Modular buildings in every county
- Carlow51% detached · 26% semi-D
- Cavan67% detached · 19% semi-D
- Clare60% detached · 21% semi-D
- Cork44% detached · 23% semi-D
- Donegal70% detached · 19% semi-D
- Dublin10% detached · 30% semi-D
- Galway59% detached · 21% semi-D
- Kerry66% detached · 17% semi-D
- Kildare38% detached · 38% semi-D
- Kilkenny59% detached · 19% semi-D
- Laois55% detached · 29% semi-D
- Leitrim73% detached · 14% semi-D
- Limerick45% detached · 26% semi-D
- Longford63% detached · 21% semi-D
- Louth39% detached · 27% semi-D
- Mayo70% detached · 17% semi-D
- Meath50% detached · 30% semi-D
- Monaghan65% detached · 20% semi-D
- Offaly58% detached · 25% semi-D
- Roscommon74% detached · 18% semi-D
- Sligo56% detached · 22% semi-D
- Tipperary59% detached · 22% semi-D
- Waterford42% detached · 28% semi-D
- Westmeath53% detached · 27% semi-D
- Wexford61% detached · 18% semi-D
- Wicklow44% detached · 28% semi-D
House types and climate county by county
| County | Households (Census 2022) | Detached houses | Semi-detached | Heating degree days |
|---|---|---|---|---|
| Carlow | 22,174 | 51% | 26% | 1,969 |
| Cavan | 28,776 | 67% | 19% | 2,159 |
| Clare | 46,441 | 60% | 21% | 1,843 |
| Cork | 210,918 | 44% | 23% | 1,755 |
| Donegal | 61,575 | 70% | 19% | 2,211 |
| Dublin | 518,490 | 10% | 30% | 1,825 |
| Galway | 98,654 | 59% | 21% | 1,860 |
| Kerry | 58,179 | 66% | 17% | 1,673 |
| Kildare | 82,543 | 38% | 38% | 2,093 |
| Kilkenny | 36,685 | 59% | 19% | 1,961 |
| Laois | 31,112 | 55% | 29% | 2,080 |
| Leitrim | 13,589 | 73% | 14% | 2,102 |
| Limerick | 76,295 | 45% | 26% | 1,837 |
| Longford | 16,206 | 63% | 21% | 2,094 |
| Louth | 49,332 | 39% | 27% | 1,951 |
| Mayo | 51,996 | 70% | 17% | 2,028 |
| Meath | 72,549 | 50% | 30% | 2,048 |
| Monaghan | 22,855 | 65% | 20% | 2,182 |
| Offaly | 28,702 | 58% | 25% | 2,046 |
| Roscommon | 25,975 | 74% | 18% | 2,088 |
| Sligo | 26,801 | 56% | 22% | 2,032 |
| Tipperary | 62,056 | 59% | 22% | 1,959 |
| Waterford | 47,682 | 42% | 28% | 1,781 |
| Westmeath | 34,003 | 53% | 27% | 2,162 |
| Wexford | 59,081 | 61% | 18% | 1,844 |
| Wicklow | 54,059 | 44% | 28% | 1,883 |
Households and house types: CSO Census 2022 table F2007A. Heating degree days: Met Éireann 1991–2020 grid near the county's largest town. Our sums.
Get a modular building price in 4 taps
Tap what you want to build, the size and your county. Your request goes to one vetted modular building supplier that covers your county, and they ring you with a written specification and price.
Questions people ask
Are the 30 m² Class 3 and 45 m² Class 3A planning exemptions the same in every county?
Yes. S.I. No. 338 of 2026 (Class 3, up to 30 m² non-habitable) and S.I. No. 340 of 2026 (Class 3A, 32 to 45 m² habitable rear-garden dwelling) are national statutory instruments that apply across all 31 local authorities in the 26 counties.
Do modular building prices vary by county?
Factory unit prices are national, while crane hire, delivery mileage and groundworks/service trenching vary slightly by site access and distance.
Get a written turnkey price for your modular building
One vetted supplier covering your county checks access, foundations and service connections, and gives you a written price.