Does NG18 flood?

Yes — parts of the NG18 district carry real flood risk: 7 of its 31 at-risk postcodes reach the Environment Agency's High likelihood band. The NG18 postcode district covers Rock Hill, Oakham, Eakring, Grange Farm, close to Mansfield, Pleasley, Market Warsop, and surrounding villages in parts of Nottinghamshire and Derbyshire.

31 postcodes in the NG18 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 7 high, 6 medium, 18 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 NG18 postcodes are at risk?

Rivers and flooding history near NG18

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

Field Mill on the River Maun — 0.5 km away, highest on record 1.79m
Mansfield The Dykes on the River Maun — 3.5 km away, highest on record 1.63m
Mansfield Pleasley on the River Meden — 4.9 km away, highest on record 3.34m
Church Warsop on the River Meden — 7.5 km away, highest on record 1.80m

17 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (17 at warning level or above), most recently 31 August 2026. Warnings cover flood areas, not individual addresses.

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

Kirkby in Ashfield October 2023 (2023) — about 3.8 km from the centre
Lower Trent - 10 Nov 2000 (2000) — about 22.1 km from the centre
River Maun 1977 (1977) — about 11.9 km from the centre
River Meden 1977 (1977) — about 9.5 km from the centre

🏠 Buying or renting in NG18? 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

NG17 NG19 NG16 NG20 NG15 NG21 NG14 NG22

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.