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Truro, Cornwall
Up to Low likelihood
Properties in TR1 2AA sit in the Environment Agency's Low 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% | 0 | 0 |
| Medium | 1% – 3.3% | 0 | 0 |
| Low | 0.1% – 1% | 6 | 0 |
| Very low | below 0.1% | 34 | 6 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
The ground here sits at about 4 m above sea level and falls 48 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north-north-east, 40.4 m higher.
Because properties in the low likelihood band; 6 recorded floods nearby; 42 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around TR1 2AA. 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 | Recorded flood | Approx. distance |
|---|---|---|
| Oct 2024 | Truro | ~0.1 km |
| Aug 2022 | Truro | ~0.2 km |
| Nov 2018 | CW9591 - Truro (Bridge street) | ~0.0 km |
| Aug 2011 | CW8955 - Truro (SW) | ~0.1 km |
| Nov 2002 | CW8953 - Truro (SW) | ~0.4 km |
| Dec 1995 | CW8931 - Truro | ~0.1 km |
EA Recorded Flood Outlines — absence of a record never proves a place has not flooded. The full report tests whether any extent covered the exact spot.
2013-14 UK winter floods (2013, 6 warnings nearby) · Ashley (2024, 5 warnings nearby) · Lilian (2024, 2 warnings nearby) · Emma (2018, 2 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Truro | River Kenwyn | 0.8 km | 1.30 m | 2.12 m |
| Bissoe | Carnon River | 6.4 km | 0.86 m | 1.45 m |
| Ladock | Tresillian River | 8.9 km | 0.85 m | 1.59 m |
| Tregony | River Fal | 9.3 km | 1.50 m | 2.30 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 |
|---|---|---|---|---|
| Old Bridge Street Car Park Cso | River Allen | 0.0 km | 8 (2024) | 6 |
| Campfield Hill Cso | River Allen | 0.1 km | 0 (2024) | 0 |
| Trelander Highway Cso | River Allen(estuarine) Via Sws | 0.1 km | 31 (2024) | 16 |
| St Clement's Hill Cso | River Allen Via Sws(estuarine) | 0.1 km | 2 (2024) | 0 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
75 mapped flood-defence assets within 500 m — nearest ~9 m (engineered high ground, wall, quay, 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 TR1 2AA — all in the TR1 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. Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. 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 TR1 district.