Does DL17 flood?

Yes — parts of the DL17 district carry real flood risk: 3 of its 6 at-risk postcodes reach the Environment Agency's High likelihood band. The DL17 postcode district covers Chilton, Ferryhill, Sedgefield, Bowburn & Coxhoe, close to Aycliffe Village, Bishop Auckland, Sunderland Bridge, and surrounding villages in County Durham.

6 postcodes in the DL17 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 3 high, 1 medium, 2 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 DL17 postcodes are at risk?

DL17 0LN up to High DL17 0LT up to High DL17 0ND up to High DL17 9NA up to Medium DL17 0NH up to Low DL17 9DZ up to Low

Rivers and flooding history near DL17

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

Preston-Le-Skerne on the River Skerne — 6.6 km away, highest on record 1.94m
South Church on the River Gaunless — 7.8 km away, highest on record 2.47m
Sunderland Bridge on the River Wear — 7.9 km away, highest on record 3.71m
Dovecote Hill on the River Gaunless — 8.5 km away, highest on record 2.79m

33 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (11 at warning level or above), most recently 6 January 2025. Warnings cover flood areas, not individual addresses.

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

River Wear (1995) — about 14.3 km from the centre
Bradbury 1968 (1968) — about 3.4 km from the centre
Carrs 1963 (1963) — about 3.6 km from the centre
Mainsforth (1900) — about 2.1 km from the centre

🏠 Buying or renting in DL17? 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

DL16 DL15 DL14 DL13 DL12 DL11 DL10 DL9

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.