Does DH3 flood?

Yes — parts of the DH3 district carry real flood risk: 29 of its 41 at-risk postcodes reach the Environment Agency's High likelihood band. The DH3 postcode district covers Birtley, Lumley & West Rainton, North Lodge, close to Chester-Le-Street, Houghton Le Spring, Lamesley, and surrounding villages in parts of County Durham and Tyne and Wear.

41 postcodes in the DH3 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 29 high, 3 medium, 9 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 DH3 postcodes are at risk?

Rivers and flooding history near DH3

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

Chester-Le-Street on the River Wear — 0.8 km away, highest on record 4.06m
Houghton Le Spring on the Moors Burn — 5.6 km away, highest on record 1.77m
Team Valley on the River Team — 7.2 km away, highest on record 1.74m
Tanfield on the River Team — 8.9 km away, highest on record 2.78m

126 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (4 at warning level or above), most recently 19 August 2026. Warnings cover flood areas, not individual addresses.

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

Chester-Le-Street upper (2012) — about 0.5 km from the centre
Chester-Le-Street lower (2012) — about 0.3 km from the centre
Chester-Le-Street, Chester Burn (2009) — about 0.3 km from the centre
Chester-le-Street, River Wear (2009) — about 1.2 km from the centre

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

🏠 Buying or renting in DH3? 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

DH2 DH4 DH1 DH5 DH6 DH7 DH8 DH9

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.