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Does SG14 flood?

Yes — parts of the SG14 district carry real flood risk: 32 of its 125 at-risk postcodes reach the Environment Agency's High likelihood band. The SG14 postcode district covers Watton-at-Stone, close to Hertford, Tewin, Birch Green, and surrounding villages in parts of Hertfordshire and Essex.

125 postcodes in the SG14 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 32 high, 21 medium, 71 low, 1 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).

Free preview first · full report £19

Which SG14 postcodes are at risk?

SG14 1FQ up to High SG14 1HE up to High SG14 1HG up to High SG14 1HX up to High SG14 1HZ up to High SG14 1JZ up to High SG14 1LA up to High SG14 1LE up to High SG14 1LF up to High SG14 1LW up to High SG14 1NL up to High SG14 1NN up to High SG14 1NS up to High SG14 1NX up to High SG14 1NY up to High SG14 1NZ up to High SG14 1PZ up to High SG14 1RU up to High SG14 1SA up to High SG14 1SR up to High SG14 1TU up to High SG14 2NA up to High SG14 2PW up to High SG14 2PZ up to High SG14 2QA up to High SG14 3AQ up to High SG14 3FH up to High SG14 3HJ up to High SG14 3LT up to High SG14 3NB up to High SG14 3RY up to High SG14 3TB up to High SG14 1AJ up to Medium SG14 1LN up to Medium SG14 1PB up to Medium SG14 1PL up to Medium SG14 1PN up to Medium SG14 1PQ up to Medium SG14 1QR up to Medium SG14 1RB up to Medium SG14 2PA up to Medium SG14 2PR up to Medium SG14 2RA up to Medium SG14 3AA up to Medium SG14 3AF up to Medium SG14 3AG up to Medium SG14 3RA up to Medium SG14 3RQ up to Medium SG14 3SD up to Medium SG14 3UD up to Medium SG14 3YH up to Medium SG14 3YJ up to Medium SG14 3YL up to Medium SG14 1AB up to Low SG14 1AL up to Low SG14 1AP up to Low SG14 1AS up to Low SG14 1AZ up to Low SG14 1BA up to Low SG14 1BD up to Low SG14 1BG up to Low SG14 1BJ up to Low SG14 1BN up to Low SG14 1BY up to Low SG14 1DJ up to Low SG14 1DL up to Low SG14 1DR up to Low SG14 1DT up to Low SG14 1DX up to Low SG14 1DZ up to Low SG14 1EH up to Low SG14 1FL up to Low SG14 1FX up to Low SG14 1HQ up to Low SG14 1HS up to Low SG14 1HT up to Low SG14 1JA up to Low SG14 1LD up to Low SG14 1LJ up to Low SG14 1LR up to Low SG14 1LS up to Low SG14 1LT up to Low SG14 1PD up to Low SG14 1PH up to Low SG14 1PJ up to Low SG14 1PS up to Low SG14 1PX up to Low SG14 1PY up to Low SG14 1QD up to Low SG14 1QG up to Low SG14 1QH up to Low SG14 1QN up to Low SG14 1QP up to Low SG14 1QS up to Low SG14 1QT up to Low SG14 1QW up to Low SG14 1RE up to Low SG14 1SH up to Low SG14 1SZ up to Low SG14 1TZ up to Low SG14 1UB up to Low SG14 1YY up to Low SG14 2BU up to Low SG14 2BZ up to Low SG14 2HZ up to Low SG14 2LB up to Low SG14 2LF up to Low SG14 2PD up to Low SG14 2QD up to Low SG14 2RF up to Low SG14 2SB up to Low SG14 2SD up to Low SG14 3AB up to Low SG14 3AE up to Low SG14 3EL up to Low SG14 3NS up to Low SG14 3NW up to Low SG14 3NZ up to Low SG14 3RG up to Low SG14 3ST up to Low SG14 3SZ up to Low SG14 3TS up to Low SG14 3TT up to Low SG14 3YN up to Low SG14 3RR up to Very low

Rivers and flooding history near SG14

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

47 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 February 2026. Warnings cover flood areas, not individual addresses.

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.

🏠 Buying or renting in SG14? 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

SG13 SG15 SG12 SG16 SG11 SG17 SG10 SG18

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.