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Up to Low likelihood
Properties in TN30 7PX 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% | 1 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
TN30 7PX gets about 746 mm of rain a year on average (wettest month November, 91 mm; driest March, 44 mm). That is 36% drier than 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), 1.2 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Because properties in the low likelihood band; 4 recorded floods nearby; 153 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around TN30 7PX. 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 |
|---|---|---|
| Nov 2009 | 07316D200FEO_DEC2009_Wet_Level | ~1.3 km |
| Dec 1985 | 07316D200_DEC1985_Rother_Potman's Heath | ~1.3 km |
| Dec 1985 | 07316D211_DEC1985_Reading Sewer_Potman's Heath | ~2.2 km |
| Dec 1982 | 07316D200_DEC1982_Potman's Heath | ~1.4 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) · Henk (2024, 4 warnings nearby) · Chandra (2026, 2 warnings nearby) · Fergus (2023, 2 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Hundred House Bridge | Royal Military Canal | 9.0 km | 0.46 m | 1.88 m |
| Winchelsea Strand Bridge | River Brede | 11.4 km | 3.50 m | 3.73 m |
| Udiam | River Rother | 11.8 km | 2.30 m | 3.36 m |
| UDIAM GS | — | 11.8 km | — | — |
Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Wittersham Wwtw | Tributary Of River Rother | 2.1 km | 54 (2024) | 640 |
| Kilndown S.t.w. | Chalybeate Spring | 2.3 km | 13 (2024) | 93 |
| Rolvenden Layne Wwtw | Trib Of The Hexden Channel | 3.4 km | 38 (2024) | 369 |
| Iden Wwtw | River Rother | 4.0 km | 89 (2024) | 1,456 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
No mapped flood-defence assets within 500 m of the postcode centre. 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 TN30 7PX — all in the TN30 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 TN30 district.