FloodRadar
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Up to High likelihood
Properties in TR27 6JU sit in the Environment Agency's High flood-likelihood band (worst property). The band is the worst found in the postcode — it describes the land around properties (defence-adjusted, rivers & sea), not any single address, and not today's conditions.
| Likelihood band | Annual chance | Properties | Of which homes |
|---|---|---|---|
| High | greater than 3.3% | 5 | 1 |
| Medium | 1% – 3.3% | 0 | 0 |
| Low | 0.1% – 1% | 0 | 0 |
| Very low | below 0.1% | 1 | 0 |
Over a 25-year mortgage, a property in a high-likelihood area has at least a 57% chance of flooding at least once.
TR27 6JU gets about 1,102 mm of rain a year on average (wettest month November, 138 mm; driest May, 58 mm). That is close to the UK as a whole, which averages 1,163 mm a year.
A thirty-year average for the surrounding area, not a measurement at this address and not a flood risk on its own: a dry area floods when a storm sits over it, and a wet one may drain away perfectly well. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 3.1 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The ground here sits at about 5 m above sea level and falls 28 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-west, 3.7 m higher.
Because properties in the high likelihood band; 4 recorded flood outlines mapped nearby; 664 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around TR27 6JU. The small panels are illustrative previews of the report's per-layer map views — the full report draws each layer for real, plus recorded extents, defences and a building picker on an interactive map.
Warnings cover flood areas, not individual addresses.
| Date | Mapped flood extent | Approx. distance |
|---|---|---|
| Jan 2021 | CW9668 - St Erth | ~1.0 km |
| Dec 2019 | St Erth | ~0.7 km |
| Dec 2012 | CW9427 - St Erth | ~0.4 km |
| Nov 2002 | CW8038 - St. Erth | ~0.4 km |
These are extents the Environment Agency has mapped, not a list of every flood. Records, not floods: no outline on the record is not evidence a place has not flooded. The full report tests whether any extent covered the exact spot.
2013-14 UK winter floods (2013, 49 warnings nearby) · Emma (2018, 11 warnings nearby) · Imogen (2016, 10 warnings nearby) · Eleanor (2018, 9 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| St Erth | River Hayle | 0.5 km | 0.80 m | 1.30 m |
| ST ERTH | — | 0.5 km | — | — |
| ST ERTH | — | 0.5 km | — | — |
| Relubbus | River Hayle | 3.3 km | 0.75 m | 1.53 m |
Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Crowlas Bridge Pumping Station | Red River | 3.5 km | 0 (2024) | 0 |
| Ludgvan School Cso | Ludgvan Stream | 3.8 km | 33 (2024) | 230 |
| Goldsithney Pscso/eo | Stream (s) | 3.9 km | 1 (2024) | 0 |
| Phillack Cso | Hayle Estuary (e) | 4.0 km | 0 (2024) | 0 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
23 mapped flood-defence assets within 500 m — nearest ~112 m (natural high ground, embankment, engineered high ground, bridge abutment). Defences reduce risk, never remove it.
The interactive flood-risk map with a building picker (your exact house, not the postcode), the 2050s climate view, surface-water and planning flood zones at your building, exact recorded-flood distances, year-by-year warning charts, watercourses including culverted streams, an insurance outlook with the Flood Re rules, and a printable document with every dataset receipt — start with the free preview, unlock for £19.
At-risk postcodes near TR27 6JU — all in the TR27 district.
© 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. Recorded Flood Outlines and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring. Flood defences © Environment Agency (OGL v3). This page summarises public area-level data — it is not a flood-risk survey and not a substitute for the official GOV.UK service. All data sources & licences. More postcodes: the TR27 district.