Does TN14 flood?

Yes — parts of the TN14 district carry real flood risk: 14 of its 25 at-risk postcodes reach the Environment Agency's High likelihood band. The TN14 postcode district covers Sevenoaks Northern, Leigh and Chiddingstone Causeway, close to Otford, Brasted, Westerham, and surrounding villages in parts of England and Kent.

25 postcodes in the TN14 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 14 high, 8 medium, 3 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 TN14 postcodes are at risk?

Rivers and flooding history near TN14

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

Riverhead on the Groundwater Level — 1.8 km away, highest on record 79.35m
Otford on the River Darent — 1.9 km away, highest on record 1.10m
Otford GS — 1.9 km away
Park Farm on the River Darent — 5.4 km away, highest on record 1.06m

58 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (8 at warning level or above), most recently 15 January 2026. Warnings cover flood areas, not individual addresses.

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

07302C200_Dec2013_Medway_Eden_Teise_Beult (2013) — about 20.9 km from the centre
07337E200_SEPT1968_Darent_Shoreham (1968) — about 3.3 km from the centre
07337E200_SEPT1968_Darent_Sevenokas_Childsbridge (1968) — about 3.6 km from the centre
07337E200_SEPT1968_Darent_Chipstead & Westerham (1968) — about 4.8 km from the centre

🏠 Buying or renting in TN14? 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

TN13 TN15 TN12 TN16 TN11 TN17 TN10 TN18

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.