Does TR18 flood?

Yes — parts of the TR18 district carry real flood risk: 77 of its 141 at-risk postcodes reach the Environment Agency's High likelihood band. The TR18 postcode district covers Ludgvan, Madron, Gulval & Heamoor, Mousehole, Newlyn & St Buryan, close to Penzance, Newlyn, St Erth, and surrounding villages in Cornwall.

141 postcodes in the TR18 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 77 high, 18 medium, 27 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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Which TR18 postcodes are at risk?

TR18 2HH up to High TR18 2LL up to High TR18 3AS up to High TR18 3BT up to High TR18 3BU up to High TR18 3DP up to High TR18 3DW up to High TR18 3EH up to High TR18 3ER up to High TR18 3FH up to High TR18 3JB up to High TR18 3JD up to High TR18 3JH up to High TR18 3JJ up to High TR18 3JL up to High TR18 3JS up to High TR18 3JU up to High TR18 3LB up to High TR18 3LP up to High TR18 3LR up to High TR18 3LS up to High TR18 3LW up to High TR18 3ND up to High TR18 3NF up to High TR18 3NG up to High TR18 3PF up to High TR18 3PG up to High TR18 3QR up to High TR18 3QS up to High TR18 3QT up to High TR18 3RF up to High TR18 3RL up to High TR18 4AA up to High TR18 4AB up to High TR18 4AH up to High TR18 4BA up to High TR18 4BW up to High TR18 4DE up to High TR18 4DF up to High TR18 4DL up to High TR18 4DN up to High TR18 4DP up to High TR18 4DU up to High TR18 4FF up to High TR18 4HB up to High TR18 4HD up to High TR18 4HG up to High TR18 4HH up to High TR18 4HL up to High TR18 4HP up to High TR18 4HQ up to High TR18 4HR up to High TR18 4HS up to High TR18 4JE up to High TR18 4LX up to High TR18 4LY up to High TR18 4LZ up to High TR18 4NF up to High TR18 4NP up to High TR18 4NQ up to High TR18 4NW up to High TR18 4SY up to High TR18 5DB up to High TR18 5GA up to High TR18 5HH up to High TR18 5HJ up to High TR18 5HN up to High TR18 5HS up to High TR18 5HW up to High TR18 5JB up to High TR18 5JP up to High TR18 5JZ up to High TR18 5PP up to High TR18 5PR up to High TR18 5PS up to High TR18 5PT up to High TR18 5PW up to High TR18 3BX up to Medium TR18 3BY up to Medium TR18 3DG up to Medium TR18 3DN up to Medium TR18 3DQ up to Medium TR18 3DR up to Medium TR18 3EN up to Medium TR18 3JG up to Medium TR18 3JN up to Medium TR18 3LD up to Medium TR18 3LQ up to Medium TR18 3NA up to Medium TR18 3RQ up to Medium TR18 4RP up to Medium TR18 5DS up to Medium TR18 5JT up to Medium TR18 5PZ up to Medium TR18 5QF up to Medium TR18 2GA up to Low TR18 2LU up to Low TR18 3AP up to Low TR18 3AY up to Low TR18 3DU up to Low TR18 3FA up to Low TR18 3PB up to Low TR18 3PH up to Low TR18 3RA up to Low TR18 4AS up to Low TR18 4BN up to Low TR18 4FA up to Low TR18 4JY up to Low TR18 4JZ up to Low TR18 4LE up to Low TR18 4NJ up to Low TR18 4NN up to Low TR18 4TB up to Low TR18 4TF up to Low TR18 4TP up to Low TR18 5HL up to Low TR18 5HQ up to Low TR18 5HR up to Low TR18 5HT up to Low TR18 5JA up to Low TR18 5JN up to Low TR18 5QH up to Low TR18 2FJ up to Very low TR18 2GB up to Very low TR18 2JX up to Very low TR18 2JY up to Very low TR18 2LQ up to Very low TR18 2LT up to Very low TR18 2NG up to Very low TR18 3AX up to Very low TR18 3AZ up to Very low TR18 3BA up to Very low TR18 3LL up to Very low TR18 3RG up to Very low TR18 4BZ up to Very low TR18 4FG up to Very low TR18 4JB up to Very low TR18 5BA up to Very low TR18 5BE up to Very low TR18 5HB up to Very low TR18 5LD up to Very low

Rivers and flooding history near TR18

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

459 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (118 at warning level or above), most recently 3 February 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in TR18? 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

TR17 TR19 TR16 TR20 TR15 TR21 TR14 TR22

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.