dataset · Wales
Areas Benefiting From Flood Defences
The Areas Benefitting from Flood Defences show areas in Wales that benefit from flood defences that protect against flooding from Rivers and the Sea. The areas shown benefit from different levels of flood protection and this is recognised in the risk classification shown in the Flood Risk Assessment Wales (FRAW) map.
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Licence: ["There are no access restrictions on this data. NRW may release, publish or disseminate it freely.", "\u00a9 CNC/NRW. Data may be re-used under the terms of the Open Government Licence providing it i
Evidence quality: 53.4
Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata checked: 2026-10-14T13:20:00.000Z
What's in it
- Data offered docs-verified
- areas benefiting from flood defences (rivers and sea) · flood protection level, shown via FRAW risk classification
- Coverage docs-verified
- Wales
- Update frequency docs-verified
- biannually
- Formats docs-verified
- Web Mapping Service
- Access docs-verified
- Free/open: no access restrictions; Open Government Licence v3.0 (per entry licence)
Useful for
- Use cases llm-inferred
- Screen a site for whether it lies within a river or sea defended area as part of an FRA in Wales · Provide flood defence context in planning or drainage strategy baseline reports for Welsh sites · Overlay defended areas with flood zones in GIS to inform civils or flood risk options appraisal
- Audience llm-inferred
- flood consultants · hydrologists · drainage engineers · planners · GIS analysts
Limitations
- Constraints llm-inferred
- Wales only · Update frequency 'biannually' is ambiguous (twice a year or every two years) · Download file formats are not stated in the docs; only a Web Mapping Service link is named · No resolution or protection standard values stated · Dataset reference date (2026-05-20) is a publication date, not a time span
Evidence
- https://datamap.gov.wales/layers/inspire-nrw:NRW_AREA_BENEFITING_FROM_FLOOD_DEFENCE
- https://www.data.gov.uk/dataset/ae01b700-e851-4991-aa32-a64a70a5b8b8/areas-benefiting-from-flood-defences34
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.