Map of Holmbush (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 Holmbush flood map. Most Holmbush postcodes are medium flood risk, with some low flood risk postcodes.
| Place | Distance |
|---|---|
| Bethel flood map | 515 m |
| Sandy Bottom flood map | 616 m |
| Charlestown flood map | 805 m |
| Mount Charles flood map | 807 m |
| Boscoppa flood map | 860 m |
| Duporth flood map | 1.1 km |
| Carlyon Bay flood map | 1.1 km |
| Tregrehan Mills flood map | 1.5 km |
| Carclaze flood map | 1.8 km |
| Lower Porthpean flood map | 2.0 km |