Does NP25 flood?

Yes — parts of the NP25 district carry real flood risk: 8 of its 10 at-risk postcodes reach the Environment Agency's High likelihood band. The NP25 postcode district covers Newland & Sling, Town, Kerne Bridge, Wyesham, close to Redbrook, Mitchel Troy, Parkend, and surrounding villages in parts of Monmouthshire and Gloucestershire.

10 postcodes in the NP25 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 8 high, 2 medium. 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 NP25 postcodes are at risk?

NP25 4LL up to High NP25 4LN up to High NP25 4LQ up to High NP25 4LU up to High NP25 4LX up to High NP25 4LZ up to High NP25 4NB up to High NP25 4ND up to High NP25 3SR up to Medium NP25 4LT up to Medium

Rivers and flooding history near NP25

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

Redbrook River Station on the Wye — 0.6 km away
Monmouth River Station on the Wye — 2.9 km away
Mitchel Troy River Station on the Trothy — 3.1 km away
Monnow Gate River Station on the Monnow — 3.3 km away

229 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (101 at warning level or above), most recently 14 March 2026. Counted from the warning records of the Environment Agency and Natural Resources Wales; the Environment Agency's record covers England only. Warnings cover flood areas, not individual addresses.

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

Tidal Severn (1981) — about 15.9 km from the centre

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in NP25? 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

NP16 NP7

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.