Flood Risk Assessment in Laois
Expert flood risk assessments for planning applications throughout County Laois. From Barrow corridor sites in Portarlington to Triogue River developments in Portlaoise, we've completed FRAs for residential, commercial, and agricultural sites across the county.
Get a Quote or call 087 417 3832Flood Risk Assessment for Laois Planning Applications
If you're submitting a planning application to Laois County Council and your site is in or near a flood zone, you'll need a Flood Risk Assessment that satisfies the requirements of the Laois County Development Plan 2021-2027 and the Planning System and Flood Risk Management Guidelines.
Laois sits at the head of two of Ireland's major river catchments — the Barrow and the Nore — and has well-documented fluvial flood risk. The River Barrow affects Portarlington, where significant flood events have occurred, while the Owenass River caused severe flooding in Mountmellick in November 2017. The Triogue River flows through Portlaoise, creating flood zones through the county town, and the Erkina River affects Rathdowney and Durrow. The upper Nore and its tributaries add risk around Mountrath, Castletown, and Borris-in-Ossory.
- River Barrow corridor sites in Portarlington
- Owenass River flooding in Mountmellick
- Triogue River sites through Portlaoise
- Erkina River flooding (Rathdowney, Durrow)
- Upper Nore and tributary flooding (Mountrath, Castletown)
What's Included
Every FRA we complete for Laois sites includes:
Stage 1, 2 & 3 Assessments
Proper methodology using OPW flood mapping and modelling data. Where data is limited or outdated, we undertake bespoke hydraulic modelling (1D/2D HEC-RAS).
Multi-Catchment Analysis
Assessment for sites affected by multiple river systems with appropriate hydraulic analysis.
FFL Comparison
Your proposed finished floor levels compared against design flood levels plus freeboard.
Development Plan Compliance
Explicit demonstration of compliance with Laois County Development Plan flood risk policies.
Further Information Requests
Received an FI request from Laois County Council asking for flood risk information? We regularly handle urgent FI responses for Laois sites. Typical turnaround is 7 working days — often faster for straightforward sites.
Need an FRA for a Laois Site?
Send us your site address and we'll provide a fixed-price quote, typically within 24 hours.
Get a Quote