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Does PL17 flood?

Yes — parts of the PL17 district carry real flood risk: 28 of its 37 at-risk postcodes reach the Environment Agency's High likelihood band. The PL17 postcode district covers Callington & St Dominic, Lynher, Altarnun & Stoke Climsland, Calstock, close to Bealsmill, Gunnislake, Pillaton, and surrounding villages in parts of Cornwall and Devon.

37 postcodes in the PL17 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 28 high, 1 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 PL17 postcodes are at risk?

PL17 7AL up to High PL17 7AN up to High PL17 7AS up to High PL17 7BP up to High PL17 7BS up to High PL17 7BX up to High PL17 7DD up to High PL17 7FB up to High PL17 7GB up to High PL17 7NB up to High PL17 7NF up to High PL17 7NP up to High PL17 7NT up to High PL17 8AH up to High PL17 8AL up to High PL17 8AN up to High PL17 8BJ up to High PL17 8BN up to High PL17 8BP up to High PL17 8BY up to High PL17 8DB up to High PL17 8DJ up to High PL17 8LB up to High PL17 8LQ up to High PL17 8LR up to High PL17 8NJ up to High PL17 8NY up to High PL17 8NZ up to High PL17 7PU up to Medium PL17 7HL up to Low PL17 7JR up to Low PL17 7JU up to Low PL17 7JW up to Low PL17 7LD up to Low PL17 7NL up to Low PL17 7NQ up to Low PL17 8LG up to Low

Rivers and flooding history near PL17

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

246 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (58 at warning level or above), most recently 27 January 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in PL17? 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

PL16 PL18 PL15 PL19 PL14 PL20 PL13 PL21

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.