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Portsmouth Flood Map
Map of Portsmouth (Hampshire) postcodes and their flood risks. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a Portsmouth flood map. Most Portsmouth postcodes are low flood risk, with some medium, and high flood risk postcodes.
Status:
High
Medium
Low
Very Low
IMPORTANT: We have taken a single point within a Portsmouth postcode using Open Postcode Geo and identified the flood risk area which that point falls within. There maybe other points within the postcode which fall into a different area, and hence have a different risk level.
Flood maps for other places called Portsmouth
Flood maps for other places near Portsmouth
| Place | Distance |
|---|---|
| Portsea flood map | 802 m |
| Fratton flood map | 983 m |
| Landport flood map | 1.1 km |
| Old Portsmouth flood map | 1.1 km |
| Southsea flood map | 1.3 km |
| Milton flood map | 2.2 km |
| Gosport flood map | 2.2 km |
| Whale Island flood map | 2.3 km |
| North End flood map | 2.5 km |
| Stamshaw flood map | 2.6 km |
Source: Open Flood Risk by Postcode
Licence: Open Government Licence
More Portsmouth data
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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