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Up to High likelihood
Properties in IP23 7HX 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% | 1 | 0 |
| Medium | 1% – 3.3% | 2 | 1 |
| Low | 0.1% – 1% | 2 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a high-likelihood area has at least a 57% chance of flooding at least once.
IP23 7HX gets about 606 mm of rain a year on average (wettest month November, 60 mm; driest April, 37 mm). That is 48% 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), 2.1 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The nearest watercourse on the river map is an unnamed stream, about 110 m from the centre of IP23 7HX. It flows into the River Dove about 140 m downstream.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on an unnamed stream nearest the centre of IP23 7HX. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Because properties in the high likelihood band; 3 recorded flood outlines mapped nearby.
The map above shows the real EA rivers & sea likelihood cells around IP23 7HX. 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 |
|---|---|---|
| Dec 2013 | 2013 Flood Outline | ~11.1 km |
| Jan 1968 | 1968 September Flood Outline | ~39.3 km |
| Jan 1953 | 1953 Coast Flood Outline Suffolk | ~31.1 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.
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Billingford | River Waveney | 5.3 km | 0.90 m | 1.83 m |
| Diss | River Waveney | 6.8 km | 0.95 m | 1.60 m |
| Debenham | River Deben | 9.8 km | 0.97 m | 2.09 m |
| Needham | River Waveney | 11.3 km | 0.85 m | 1.81 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 |
|---|---|---|---|---|
| Eye - Kings Bridge Lowgate St Tps | The River Dove | 0.3 km | 0 (2024) | 0 |
| Eye Water Recycling Centre | River Dove | 1.8 km | 39 (2024) | 271 |
| Occold | Trib R Dove | 2.1 km | 0 (2024) | 0 |
| Thorndon Water Recycling Centre | River Dove Nt | 2.8 km | 85 (2024) | 1,099 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
2 mapped flood-defence assets within 500 m — nearest ~285 m (natural high ground). 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 IP23 7HX — all in the IP23 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 (England); live overflow status © the water companies, incl. Dŵr Cymru Welsh Water and Scottish Water. 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 IP23 district.