Does TR5 flood?

Yes — parts of the TR5 district carry real flood risk: 11 of its 14 at-risk postcodes reach the Environment Agency's High likelihood band. The TR5 postcode district covers St Agnes, Perranporth, close to Mithian, Bolingey, Idless, and surrounding villages in Cornwall.

14 postcodes in the TR5 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 11 high, 3 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 TR5 postcodes are at risk?

TR5 0QU up to High TR5 0QX up to High TR5 0RP up to High TR5 0RR up to High TR5 0RS up to High TR5 0RU up to High TR5 0RX up to High TR5 0RY up to High TR5 0RZ up to High TR5 0SA up to High TR5 0TZ up to High TR5 0NS up to Low TR5 0XN up to Low TR5 0XZ up to Low

Rivers and flooding history near TR5

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

Rose in Vale on the Perrancombe Stream — 2.4 km away, highest on record 1.10m
Perrancoombe on the Perrancombe Stream — 4.1 km away, highest on record 0.94m
Bolingey Cocks Bridge on the Bolingey Stream — 4.9 km away, highest on record 1.53m
Bissoe on the Carnon River — 11 km away, highest on record 1.45m

10 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (10 at warning level or above), most recently 26 January 2026. Warnings cover flood areas, not individual addresses.

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

CW9586 - St Agnes (2018) — about 0.3 km from the centre
CW9431 - Trevaunance (2015) — about 0.6 km from the centre
CW9426 - St Agnes - Trevaunance (2014) — about 0.6 km from the centre
CW1375 - Perranporth (1993) — about 4.5 km from the centre

🏠 Buying or renting in TR5? 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

TR4 TR6 TR3 TR7 TR2 TR8 TR1 TR9

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.