FloodRadar
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FloodRadar
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Yes — parts of the TN20 district carry real flood risk: 6 of its 12 at-risk postcodes reach the Environment Agency's High likelihood band. The TN20 postcode district covers Mayfield & Five Ashes, Hadlow Down & Rotherfield, close to Buxted, Burwash, Wadhurst, and surrounding villages in parts of East Sussex and Kent.
12 postcodes in the TN20 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 6 high, 1 medium, 5 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).
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The rivers that matter here, each monitored live on FloodRadar:
No official flood warning or alert is on record for areas near the centre of this district since 2006. No warning on record here means the Environment Agency has issued no flood warning or alert for a flood area within that distance since its record begins in 2006. Warnings are issued for areas, not addresses, and when flooding is expected rather than when it happens, and the record covers England only — so this is the state of the warning record, not evidence a place has not flooded.
Recorded flood extents near the district (Environment Agency record):
Records, not floods: no outline on the record is not evidence a place has not flooded.
Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.