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SW1A 0AA · Flood Risk Detail

Flood risk

Official Environment Agency data for SW1A 0AA

Rivers & sea flood risk

Band: Very Low

Very low probability: less than 1 in 1,000 (0.1%) annual chance.

Surface water flood risk

Band: None identified

This postcode has been assessed and falls outside every Environment Agency flood risk area.

Important caveats

  • Flood risk data is sourced from the Environment Agency Risk of Flooding from Rivers and Sea (RoFRS) and Risk of Flooding from Surface Water (RoFSW) datasets.
  • PostcodeLens assigns the band covering the postcode centroid. A single postcode can span multiple risk zones.
  • This data is area-level and indicative only. It must not be used as a substitute for a professional flood risk assessment, mortgage valuation, or insurance quote.
  • Data is updated quarterly following new Environment Agency releases.
EA release · 2026-07← Back to SW1A 0AA area guide