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Does TN17 flood?

Yes — parts of the TN17 district carry real flood risk: 17 of its 26 at-risk postcodes reach the Environment Agency's High likelihood band. The TN17 postcode district covers Cranbrook, Sissinghurst & Frittenden, Rural Tunbridge Wells, Rolvenden & Tenterden West, Hawkhurst, Sandhurst & Benenden, close to Horsmonden, Smarden, Lamberhurst, and surrounding villages in parts of Kent and East Sussex.

26 postcodes in the TN17 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 17 high, 2 medium, 7 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which TN17 postcodes are at risk?

TN17 1HA up to High TN17 1HE up to High TN17 1JT up to High TN17 1LP up to High TN17 2BD up to High TN17 2BT up to High TN17 2DT up to High TN17 2DU up to High TN17 2EB up to High TN17 2ED up to High TN17 2LL up to High TN17 2LX up to High TN17 4JP up to High TN17 4JS up to High TN17 4PU up to High TN17 4PX up to High TN17 4QA up to High TN17 2QZ up to Medium TN17 2RG up to Medium TN17 1HH up to Low TN17 1HN up to Low TN17 2EG up to Low TN17 2NA up to Low TN17 2QT up to Low TN17 4BA up to Low TN17 4QZ up to Low

Rivers and flooding history near TN17

The rivers that matter here, each monitored live on FloodRadar:

62 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (29 at warning level or above), most recently 5 February 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

🏠 Buying or renting in TN17? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

TN16 TN18 TN15 TN19 TN14 TN20 TN13 TN21

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.