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Felixstowe, Suffolk
Up to Medium likelihood
Properties in IP11 2GH sit in the Environment Agency's Medium 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% | 2 | 2 |
| Low | 0.1% – 1% | 3 | 3 |
| Very low | below 0.1% | 2 | 2 |
Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.
IP11 2GH gets about 563 mm of rain a year on average (wettest month October, 58 mm; driest April, 33 mm). That is 52% 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), 1.8 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The river map has no watercourse within 1 km of the centre of IP11 2GH.
That means this spot is not on the river map, not that there is no water here: Ordnance Survey’s river map (OS Open Rivers) leaves out small streams, ditches and culverts. Contains OS data © Crown copyright and database rights 2026.
Because properties in the medium likelihood band; 3 recorded flood outlines mapped nearby; 70 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around IP11 2GH. 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 | ~40.6 km |
| Jan 1968 | 1968 September Flood Outline | ~43.0 km |
| Jan 1953 | 1953 Coast Flood Outline Suffolk | ~18.7 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, 14 warnings nearby) ▶ replay it here · Ashley (2024, 1 warnings nearby) ▶ replay it here · Franklin (2022, 1 warnings nearby) ▶ replay it here · Corrie (2022, 1 warnings nearby) ▶ replay it here
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Shotley Stw | River Orwell T | 4.7 km | 8 (2024) | 2 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
18 mapped flood-defence assets within 500 m — nearest ~102 m (wall, demountable defence, flood gate). 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 IP11 2GH — all in the IP11 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 (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 IP11 district.