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Does SY11 flood?

Yes — parts of the SY11 district carry real flood risk: 13 of its 30 at-risk postcodes reach the Environment Agency's High likelihood band. The SY11 postcode district covers Selattyn & Gobowen, Whittington, St Martin's, Oswestry South, close to Llanyblodwel, and surrounding villages in Shropshire.

30 postcodes in the SY11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 13 high, 1 medium, 16 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 SY11 postcodes are at risk?

SY11 2BA up to High SY11 3EW up to High SY11 3GZ up to High SY11 3JA up to High SY11 3JB up to High SY11 3JD up to High SY11 3JE up to High SY11 3JL up to High SY11 3JR up to High SY11 3PU up to High SY11 3PW up to High SY11 3QN up to High SY11 4FP up to High SY11 4NW up to Medium SY11 3EN up to Low SY11 3GW up to Low SY11 3GY up to Low SY11 3JP up to Low SY11 3JW up to Low SY11 3JY up to Low SY11 3JZ up to Low SY11 3LH up to Low SY11 3LR up to Low SY11 3LS up to Low SY11 3LW up to Low SY11 3QP up to Low SY11 3QR up to Low SY11 3QS up to Low SY11 4HE up to Low SY11 4PQ up to Low

Rivers and flooding history near SY11

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

🏠 Buying or renting in SY11? 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

SY10 SY12 SY13 SY9 SY14 SY8 SY15 SY7

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.