Map of Downham (Bromley, Greater London) postcodes and their flood risks. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a Downham flood map. Most Downham postcodes are low flood risk, with some medium, and high flood risk postcodes.
| Place | Distance |
|---|---|
| Southend flood map | 991 m |
| Plaistow flood map | 1.0 km |
| Bromley Park flood map | 1.5 km |
| Grove Park flood map | 1.9 km |
| Bellingham flood map | 1.9 km |
| Sundridge flood map | 2.2 km |
| Bell Green flood map | 2.5 km |
| Catford flood map | 2.6 km |
| Hither Green flood map | 2.6 km |
| Bromley flood map | 2.6 km |