Basements by county

Radon, rain and old houses differ a lot from county to county. Sligo has the highest share of measured homes above the radon reference level; every county has its own page.

Free, no obligation. One local company prices it, not five.

  • 26counties, each with its own page
  • 14.1%of homes the EPA measured were above the radon level
  • €1,000 to €2,500a m² to convert
  • €50 to €180a m² to tank

Every county side by side

CountyHomes measured above radon levelRain, wettest townBuilt before 1946Households
Carlow19.2%911 mm16%22,174
Cavan3.5%1,142 mm15%28,776
Clare13.0%1,288 mm14%46,441
Cork12.7%1,611 mm18%210,918
Donegal5.2%1,525 mm12%61,575
Dublin5.5%848 mm16%518,490
Galway21.2%1,526 mm11%98,654
Kerry16.9%1,868 mm14%58,179
Kildare4.3%895 mm7%82,543
Kilkenny13.3%964 mm17%36,685
Laois3.8%941 mm14%31,112
Leitrim6.9%1,558 mm19%13,589
Limerick7.4%1,342 mm16%76,295
Longford11.9%1,052 mm14%16,206
Louth10.1%884 mm14%49,332
Mayo17.6%1,458 mm15%51,996
Meath7.4%869 mm10%72,549
Monaghan5.4%1,037 mm17%22,855
Offaly2.3%900 mm16%28,702
Roscommon11.3%1,225 mm17%25,975
Sligo24.9%1,341 mm16%26,801
Tipperary12.2%1,035 mm20%62,056
Waterford19.8%1,154 mm17%47,682
Westmeath8.3%1,001 mm14%34,003
Wexford15.9%1,064 mm15%59,081
Wicklow16.2%1,009 mm16%54,059

Get a price in 4 taps

Tap what you need and leave your number. It goes to one basement company that covers your county. They ring you back to arrange a look and a written price.

What do you need?

Pick the closest. They'll ask the rest.

By sending, you agree to Basements.ie passing your details to one basement company that covers your county, so they can contact you about the job. Privacy notice

Basement conversion and waterproofing guides & price breakdowns

Straight answers to what people ask most: itemised costs, specifications, planning or grants, and what to check before you book.

More guides & resources: All guides & calculator hub · Technical & trade glossary · Frequently asked questions · All areas covered · About this site

Questions we get asked

Which counties do you cover?

All 26. Each request goes to one basement company that covers your county. If no company covers you, we'll tell you straight.

Where is radon highest?

Of the homes the EPA has measured, the highest share above the reference level is in Sligo (24.9%), then Galway and Waterford.

Are basement prices different by county?

The work is the same everywhere. What changes the price is the basement: how wet it is, the head height and the access.

Basement conversion and waterproofing across all 26 counties

Requests from all 26 counties go to one vetted local specialist who covers your county — from Dublin, Cork, Galway and Limerick to Kildare, Meath, Wicklow, Waterford and Donegal. Pick your county below for local prices, specifications and advice. Compare all areas covered →

Get a free quote for your basement

One company that covers your county rings you. Nothing is agreed until you accept a written price.