Yes — parts of the TR27 district carry real flood risk: 38 of its 87 at-risk postcodes reach the Environment Agency's High likelihood band. The TR27 postcode district covers Gwinear-Gwithian & Hayle East, Long Rock, Marazion & St Erth, St Ives East, Lelant & Carbis Bay, close to Hayle, St Erth, Gwithian, and surrounding villages in Cornwall.
87 postcodes in the TR27 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 38 high, 10 medium, 20 low, 19 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).
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The rivers that matter here, each monitored live on FloodRadar:
664 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (165 at warning level or above), most recently 2 March 2026. Warnings cover flood areas, not individual addresses.
Recorded flood extents near the district (Environment Agency record):
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.