Does S17 flood?

Yes — parts of the S17 district carry real flood risk: 17 of its 30 at-risk postcodes reach the Environment Agency's High likelihood band. The S17 postcode district covers Barlow & Holmesfield, close to Dore, Dronfield Dam, Dronfield, and surrounding villages in parts of South Yorkshire and Derbyshire.

30 postcodes in the S17 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 17 high, 5 medium, 8 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 S17 postcodes are at risk?

S17 3AJ up to High S17 3AT up to High S17 3BA up to High S17 3LF up to High S17 3LH up to High S17 3LR up to High S17 3LU up to High S17 3LW up to High S17 3LX up to High S17 3LY up to High S17 3LZ up to High S17 4DJ up to High S17 4DN up to High S17 4DR up to High S17 4HD up to High S17 4HF up to High S17 4QD up to High S17 3LA up to Medium S17 3QW up to Medium S17 3RA up to Medium S17 4ED up to Medium S17 4HP up to Medium S17 3LB up to Low S17 3LG up to Low S17 3LJ up to Low S17 3LQ up to Low S17 3LS up to Low S17 4GA up to Low S17 4HQ up to Low S17 4HT up to Low

Rivers and flooding history near S17

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

Dore Twenty Well Lane on the River Sheaf — 0.9 km away, highest on record 2.25m
Dronfield Dam on the River Drone — 3.7 km away, highest on record 8.27m
Dronfield on the River Drone — 4.1 km away, highest on record 1.08m
Sheffield Centenary Works on the River Sheaf — 4.4 km away, highest on record 1.85m

167 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (51 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):

2021 January Flood Incident - Storm Christoph (2021) — about 64.1 km from the centre
2020 February Flood Incident - Storm Dennis (2020) — about 61.5 km from the centre
2019 November Flood Incident (2019) — about 32.6 km from the centre
June 2007 Surface Water Flooding Yorkshire (2007) — about 38.3 km from the centre

🏠 Buying or renting in S17? 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

S18 S14 S20 S13 S21 S12 S11 S10

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.