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Flood Risk Map by Postcode: SN Postcode Area
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Flood risk by SN postcode districts
Number of postcodes of each risk level within SN postcode districts. Click a postcode district to drill down to postcode sectors.
| Postcode District | High | Medium | Low | Very Low |
|---|---|---|---|---|
| SN1 | 0 | 1 | 0 | 0 |
| SN10 | 0 | 5 | 0 | 0 |
| SN11 | 2 | 11 | 4 | 0 |
| SN12 | 4 | 16 | 1 | 0 |
| SN13 | 2 | 3 | 1 | 0 |
| SN14 | 2 | 10 | 3 | 0 |
| SN15 | 2 | 25 | 121 | 0 |
| SN16 | 1 | 11 | 3 | 0 |
| SN2 | 0 | 2 | 4 | 2 |
| SN25 | 11 | 2 | 3 | 0 |
| SN3 | 6 | 37 | 23 | 0 |
| SN4 | 0 | 1 | 3 | 0 |
| SN5 | 1 | 5 | 10 | 0 |
| SN6 | 2 | 12 | 15 | 0 |
| SN7 | 3 | 16 | 0 | 0 |
| SN8 | 1 | 15 | 10 | 0 |
| SN9 | 6 | 6 | 3 | 0 |
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