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Does TR12 flood?

Yes — parts of the TR12 district carry real flood risk: 32 of its 39 at-risk postcodes reach the Environment Agency's High likelihood band. The TR12 postcode district covers Mullion & St Keverne, close to Helston, Wendron, and surrounding villages in Cornwall.

39 postcodes in the TR12 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 32 high, 3 medium, 4 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 TR12 postcodes are at risk?

TR12 6DF up to High TR12 6HB up to High TR12 6HD up to High TR12 6HQ up to High TR12 6JU up to High TR12 6JW up to High TR12 6JX up to High TR12 6JY up to High TR12 6LB up to High TR12 6PP up to High TR12 6PW up to High TR12 6QW up to High TR12 6SX up to High TR12 6TB up to High TR12 6TD up to High TR12 6TE up to High TR12 6TU up to High TR12 6TX up to High TR12 6UA up to High TR12 6UB up to High TR12 6UD up to High TR12 6UE up to High TR12 6UF up to High TR12 6UG up to High TR12 7DR up to High TR12 7EU up to High TR12 7JB up to High TR12 7JS up to High TR12 7JU up to High TR12 7JX up to High TR12 7NU up to High TR12 7QE up to High TR12 6HA up to Medium TR12 6SN up to Medium TR12 7ES up to Medium TR12 6DS up to Low TR12 6PL up to Low TR12 7DU up to Low TR12 7PJ up to Low

Rivers and flooding history near TR12

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

33 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (14 at warning level or above), most recently 28 February 2026. Warnings cover flood areas, not individual addresses.

🏠 Buying or renting in TR12? 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

TR11 TR13 TR10 TR14 TR15 TR9 TR16 TR8

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.