Map of St Austell (Cornwall) postcodes and their flood risks. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a St Austell flood map. Most St Austell postcodes are medium flood risk, with some low flood risk postcodes.
| Place | Distance |
|---|---|
| Tregorrick flood map | 1.3 km |
| Mount Charles flood map | 1.3 km |
| Trethowel flood map | 1.6 km |
| Sandy Bottom flood map | 1.7 km |
| Carclaze flood map | 1.8 km |
| St Mewan flood map | 1.9 km |
| Boscoppa flood map | 2.0 km |
| Trewoon flood map | 2.0 km |
| Duporth flood map | 2.0 km |
| Holmbush flood map | 2.1 km |