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Surface Water (Pluvial) Flood Risk outside Flood Plains
6.112NI-wide·SPPS Strategic Planning Policy Statement Edition 2 (December 2025)
Surface water or pluvial flooding occurs as a result of high intensity rainfall which overwhelms natural or man-made drainage systems resulting in water flowing overland and ponding in depressions in
flood-risksurface-waterdrainageurbanDevelopment Control in Areas with Surface Water Flooding History
6.113NI-wide·SPPS Strategic Planning Policy Statement Edition 2 (December 2025)
Planning authorities should only facilitate development in areas where there is evidence of a history of surface water flooding when a developer is able to demonstrate, through a drainage assessment (
flood-risksurface-waterdrainagesite-planning