Does TN18 flood?

Yes — parts of the TN18 district carry real flood risk: 9 of its 15 at-risk postcodes reach the Environment Agency's High likelihood band. The TN18 postcode district covers Hawkhurst, Sandhurst & Benenden, Rolvenden & Tenterden West, Hurst Green & Ticehurst, close to Bodiam, Robertsbridge, Broadland Row, and surrounding villages in parts of East Sussex and Kent.

15 postcodes in the TN18 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 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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Which TN18 postcodes are at risk?

TN18 4RX up to High TN18 5AB up to High TN18 5BA up to High TN18 5PD up to High TN18 5PL up to High TN18 5PN up to High TN18 5QD up to High TN18 5QG up to High TN18 5QQ up to High TN18 5PX up to Medium TN18 4BG up to Low TN18 4XH up to Low TN18 5EU up to Low TN18 5EX up to Low TN18 5EY up to Low

Rivers and flooding history near TN18

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

Udiam on the River Rother — 5.4 km away, highest on record 3.36m
UDIAM GS — 5.4 km away
Browns Bridge on the Dudwell Tributary Rother — 8.6 km away, highest on record 1.66m
Hundred House Bridge on the Royal Military Canal — 10.8 km away, highest on record 1.88m

112 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (11 at warning level or above), most recently 18 February 2026. Warnings cover flood areas, not individual addresses.

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

07316D200FEO_DEC2009_Robertsbridge_Bodium (2009) — about 4.1 km from the centre
07316D200FEO_DEC2009_Newenden (2009) — about 5.6 km from the centre
07317D200_OCT2000_Rother_Robertsbridge (2000) — about 8.4 km from the centre
07316D200/230_DEC1985_Rother/Kent Ditch_Bodium (1985) — about 3.4 km from the centre

🏠 Buying or renting in TN18? 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

TN17 TN19 TN16 TN20 TN15 TN21 TN14 TN22

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.