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Does TR10 flood?

Yes — parts of the TR10 district carry real flood risk: 32 of its 50 at-risk postcodes reach the Environment Agency's High likelihood band. The TR10 postcode district covers Penryn, Constantine, Mabe & Mawnan, close to Ponsanooth, Bissoe, Truro, and surrounding villages in Cornwall.

50 postcodes in the TR10 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 32 high, 5 medium, 7 low, 6 very 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 TR10 postcodes are at risk?

TR10 8AD up to High TR10 8AE up to High TR10 8AF up to High TR10 8AH up to High TR10 8AJ up to High TR10 8AL up to High TR10 8AQ up to High TR10 8AR up to High TR10 8AT up to High TR10 8AW up to High TR10 8BE up to High TR10 8BN up to High TR10 8BS up to High TR10 8BT up to High TR10 8BZ up to High TR10 8DA up to High TR10 8DH up to High TR10 8DJ up to High TR10 8DW up to High TR10 8FB up to High TR10 8FG up to High TR10 8GE up to High TR10 8GT up to High TR10 8JA up to High TR10 8JP up to High TR10 8JS up to High TR10 8LR up to High TR10 8NB up to High TR10 8RF up to High TR10 9EP up to High TR10 9JD up to High TR10 9LX up to High TR10 8BJ up to Medium TR10 8GG up to Medium TR10 8HW up to Medium TR10 8JG up to Medium TR10 8JW up to Medium TR10 8AA up to Low TR10 8AG up to Low TR10 8DL up to Low TR10 8GF up to Low TR10 8JU up to Low TR10 8LS up to Low TR10 9JF up to Low TR10 8AB up to Very low TR10 8BA up to Very low TR10 8GX up to Very low TR10 8GY up to Very low TR10 8GZ up to Very low TR10 8SB up to Very low

Rivers and flooding history near TR10

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

25 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (7 at warning level or above), most recently 29 August 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in TR10? 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 TR9 TR12 TR8 TR13 TR7 TR14 TR6

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.