Does TN37 flood?

Only lower-likelihood flood risk is recorded in TN37: none of its 5 listed postcodes goes beyond the Low band. The TN37 postcode district covers Ashdown, Conquest, Central St Leonards, Gensing, close to Sheepwash Bridge, Crowhurst, Broadland Row, and surrounding villages in East Sussex.

5 postcodes in the TN37 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 low, 4 very 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 TN37 postcodes are at risk?

TN37 7AX up to Low TN37 7BL up to Very low TN37 7HD up to Very low TN37 7HF up to Very low TN37 7SW up to Very low

Rivers and flooding history near TN37

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

Crowhurst on the Combe Haven — 4.1 km away, highest on record 7.00m
Hundred House Bridge on the Royal Military Canal — 9.7 km away, highest on record 1.88m
COOMBE BRIDGE GS — 10.5 km away
HAMMERWOOD BRIDGE GS — 12 km away

222 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (33 at warning level or above), most recently 26 August 2026. Warnings cover flood areas, not individual addresses.

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

07418K109FEO_DEC2009_Gorringe_Stream (2009) — about 4.5 km from the centre
07418K101FEO_DEC2009_Coombe_Haven (2009) — about 3.7 km from the centre
07418K107FEO_Jul_2009_Hollington (2009) — about 1.5 km from the centre

🏠 Buying or renting in TN37? 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

TN36 TN38 TN35 TN39 TN34 TN40 TN33 TN32

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.