Flood Risk Check: Co. Offaly
18 official risk checks for any property in Co. Offaly. Built on official Irish government data.
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Official data sourced from Irish government agencies
Flood Risk in Co. Offaly, Leinster
Offaly's 3 major river systems (Shannon, Brosna, Clodiagh) define the county's flood risk landscape. As an inland county, Offaly's flood risk centres on river overflow and surface water drainage. The OPW has mapped detailed flood zones across Offaly's towns including Tullamore, Birr, Edenderry. A PropertyPack report checks your specific Eircode against official flood probability maps, historical flood events, and planned flood relief schemes.
location_onCo. Offaly at a Glance
- Population
- 83,000
- Province
- Leinster
- Coastline
- Inland county
- Character
- Predominantly Rural
- Main Rivers
- Shannon, Brosna, Clodiagh
- Median Price (2026)
- €285,000 (+5.6% YoY)
- Radon (of homes tested)
- 2.3% at/above 200 Bq/m³
- Recorded Flood Events
- 120
- Mica/Pyrite (DCB Scheme)
- Not designated
Sources: Property Price Register (sales to 2026); EPA radon measurements to 2019 (self-selected sample — % of homes tested, not prevalence); past flood events derived from OPW floodinfo.ie data; DCB scheme designations via gov.ie.
Flood History & Relief Schemes in Co. Offaly
120 past flood events are on record for Co. Offaly in the OPW's national flood-event database. The county has 1 completed flood relief scheme and 1 more in progress or under consideration. A recorded event is a report of past flooding — not a verdict on any one property.
Recorded Past Flood Events
120
Schemes Completed
1
In Progress / Considered
1
Flood Relief Schemes in Co. Offaly
| Scheme | Status | Properties Protected |
|---|---|---|
| Tullamore Flood Relief Scheme | Completed | 100 |
| Rahan Flood Relief Scheme | In Progress | 4 |
Source: Flood Risk Management County Summaries & Past Flood Events, floodinfo.ie. Past-event counts derived from the OPW floodinfo.ie Past Flood Events layer. Nationally, 57 completed schemes protect over 13,640 properties, with €1.3 billion committed to flood relief under the National Development Plan. The OPW's flood maps do not designate individual properties as at risk — and since 2014 the OPW shares completed-scheme data with Insurance Ireland to support flood cover in defended areas.
Flood history also decides whether insurers will quote — see flood insurance in Ireland: the coverage gap.
This is the county picture — the report checks your exact address.
Enter the Eircode of any Co. Offaly property.
Official Risk Checks
Government Data Sources
Average Snapshot Time
Counties Covered
What We Check for Every Offaly Property
Every PropertyPack report runs 18 checks. Here are 12 of the key risk categories, all aggregated from official Irish government data.
Plus more checks across insurance, neighbourhood, transport and more.
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Know the risks before you sign in Offaly
Discover the full picture of any Offaly property. Our reports combine data from 12 official sources to simplify your due diligence and protect your investment.
Explore a Sample Reportarrow_forwardFlood Risk in Offaly: FAQs
A PropertyPack report for any Offaly address covers 18 risk categories: flood risk (OPW data), radon levels (EPA data), BER ratings (SEAI), property prices (Property Price Register), crime statistics (CSO), school catchment, broadband speeds, planning applications, air quality, noise levels, and more. Each check runs for the Eircode you enter, with the data's confidence level labelled where a source is only published at county or division level.
The full 18-check PDF report for any Offaly address costs €29. House-hunting across several properties? A 3-report bundle is €59 and a 5-report bundle is €79. You see a free snapshot first — no card needed.
Flood risk in Offaly varies by location. Properties near the Shannon, Brosna and Clodiagh face higher risk. The OPW has mapped detailed flood zones across Offaly. PropertyPack checks your specific Eircode against these maps and includes historical flood event data.
The main rivers in Offaly are the Shannon, Brosna and Clodiagh. These river systems define the primary flood risk areas across the county. OPW flood relief schemes are active or planned along several of these river systems.
Risk levels vary across Offaly depending on which factor you're considering. Properties away from Shannon, Brosna and Clodiagh flood plains have lower flood risk. For radon, 2.3% of homes tested in Offaly measured over the Reference Level — the EPA's map shows which areas are classified as High Radon Areas. Well-established residential areas in Tullamore, Birr, Edenderry tend to have better broadband, lower crime, and closer school access. PropertyPack helps you compare specific locations within Offaly across 18 risk categories.
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