Does S11 flood?

Yes — parts of the S11 district carry real flood risk: 57 of its 97 at-risk postcodes reach the Environment Agency's High likelihood band. The S11 postcode district covers Broomhill and Sharrow Vale, Nether Edge and Sharrow, Fulwood, Ecclesall, close to Sheffield, Sheffield Meersbrook, Dore, and surrounding villages in parts of South Yorkshire and Derbyshire.

97 postcodes in the S11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 57 high, 11 medium, 29 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 S11 postcodes are at risk?

S11 7AB up to High S11 7AD up to High S11 7EB up to High S11 7EG up to High S11 7EH up to High S11 7EJ up to High S11 7EL up to High S11 7EN up to High S11 7ER up to High S11 7EW up to High S11 7EY up to High S11 8AD up to High S11 8BF up to High S11 8DL up to High S11 8HF up to High S11 8HG up to High S11 8HL up to High S11 8HP up to High S11 8HR up to High S11 8HW up to High S11 8HY up to High S11 8JD up to High S11 8JE up to High S11 8JN up to High S11 8NB up to High S11 8NE up to High S11 8NF up to High S11 8NJ up to High S11 8NL up to High S11 8NP up to High S11 8NR up to High S11 8NT up to High S11 8NU up to High S11 8NW up to High S11 8NX up to High S11 8PE up to High S11 8PF up to High S11 8PG up to High S11 8PN up to High S11 8PR up to High S11 8QA up to High S11 8QB up to High S11 8QD up to High S11 8QE up to High S11 8QF up to High S11 8QG up to High S11 8QH up to High S11 8QN up to High S11 8ZH up to High S11 8ZL up to High S11 9LF up to High S11 9LL up to High S11 9PU up to High S11 9PW up to High S11 9RN up to High S11 9RP up to High S11 9RQ up to High S11 8AH up to Medium S11 8AW up to Medium S11 8FJ up to Medium S11 8FP up to Medium S11 8HA up to Medium S11 8HS up to Medium S11 8JA up to Medium S11 8JF up to Medium S11 8JL up to Medium S11 9RD up to Medium S11 9RE up to Medium S11 7EA up to Low S11 7ES up to Low S11 8BR up to Low S11 8BS up to Low S11 8DA up to Low S11 8FG up to Low S11 8FH up to Low S11 8HD up to Low S11 8JB up to Low S11 8NA up to Low S11 8PJ up to Low S11 8PP up to Low S11 8PT up to Low S11 8PW up to Low S11 8PX up to Low S11 8PY up to Low S11 8QJ up to Low S11 8QL up to Low S11 8QP up to Low S11 8RH up to Low S11 8RS up to Low S11 8TA up to Low S11 8TF up to Low S11 8XA up to Low S11 8ZE up to Low S11 8ZF up to Low S11 8ZP up to Low S11 9FR up to Low S11 9LH up to Low

Rivers and flooding history near S11

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

186 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (67 at warning level or above), most recently 27 August 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 S11? 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

S10 S12 S13 S9 S14 S8 S7 S6

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.