Does TR11 flood?

Yes — parts of the TR11 district carry real flood risk: 54 of its 80 at-risk postcodes reach the Environment Agency's High likelihood band. The TR11 postcode district covers Mylor, Perranarworthal & Ponsanooth, Falmouth Arwenack, Falmouth Penwerris, Falmouth Trescobeas & Budock, close to Penryn, Ponsanooth, Bissoe, and surrounding villages in Cornwall.

80 postcodes in the TR11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 54 high, 9 medium, 16 low, 1 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 TR11 postcodes are at risk?

TR11 2AA up to High TR11 2BZ up to High TR11 2DT up to High TR11 2TD up to High TR11 2TF up to High TR11 2UJ up to High TR11 3DF up to High TR11 3DQ up to High TR11 3HD up to High TR11 3HH up to High TR11 3JQ up to High TR11 3JT up to High TR11 3LG up to High TR11 3XT up to High TR11 3YL up to High TR11 4AF up to High TR11 4AH up to High TR11 4AQ up to High TR11 4GY up to High TR11 4HB up to High TR11 4JY up to High TR11 4LA up to High TR11 4LN up to High TR11 4PB up to High TR11 4SA up to High TR11 5AL up to High TR11 5DJ up to High TR11 5HJ up to High TR11 5HN up to High TR11 5LF up to High TR11 5LQ up to High TR11 5NE up to High TR11 5NG up to High TR11 5NL up to High TR11 5NQ up to High TR11 5NR up to High TR11 5NS up to High TR11 5PX up to High TR11 5RH up to High TR11 5RJ up to High TR11 5RY up to High TR11 5SE up to High TR11 5SS up to High TR11 5ST up to High TR11 5TA up to High TR11 5TJ up to High TR11 5TP up to High TR11 5TR up to High TR11 5TX up to High TR11 5TY up to High TR11 5TZ up to High TR11 5UA up to High TR11 5UB up to High TR11 5UF up to High TR11 2AF up to Medium TR11 2SE up to Medium TR11 2TB up to Medium TR11 3DB up to Medium TR11 3EF up to Medium TR11 3XU up to Medium TR11 4AU up to Medium TR11 5PY up to Medium TR11 5UE up to Medium TR11 3AB up to Low TR11 3AR up to Low TR11 3AT up to Low TR11 3AU up to Low TR11 3DE up to Low TR11 3ED up to Low TR11 3HQ up to Low TR11 4AA up to Low TR11 4JA up to Low TR11 5BJ up to Low TR11 5BL up to Low TR11 5DL up to Low TR11 5LB up to Low TR11 5ND up to Low TR11 5QD up to Low TR11 5SG up to Low TR11 3BD up to Very low

Rivers and flooding history near TR11

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 TR11? 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

TR10 TR12 TR13 TR9 TR14 TR8 TR15 TR7

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.