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CM21 9DW Flood Risk Map
CM21 9DW is in a medium flood risk area. The nearest high flood risk area is 4.3km away in CM23 3DT. Map of CM21 9DW, surrounding postcodes, and their flood risks.
Important: We have taken a single point within CM21 9DW 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.
Nearest flood risk to CM21 9DW by risk level
| Flood Risk | Postcode | Distance | Flood Map |
|---|---|---|---|
High | CM23 3DT | 4.3km | CM23 3DT flood map |
Low | CM21 9JE | 1.1km | CM21 9JE flood map |
Very Low | CM20 2EG | 4.1km | CM20 2EG flood map |
None | CM21 9DP | 94m | CM21 9DP flood map |
CM21 9DW flood risk data
| ObjectID | 861161 |
|---|---|
| Risk | Medium |
| Suitability | County to Town |
| Risk for Insurance |
CM21 9DW geodata
| Easting | 548405 |
|---|---|
| Northing | 215775 |
| Latitude | 51.820897 |
| Longitude | 0.151815 |
Flood maps for places near CM21 9DW
| Place | Distance |
|---|---|
| Sawbridgeworth flood map | 955 m |
| Lower Sheering flood map | 1.4 km |
| Spellbrook flood map | 1.9 km |
| Gaston Green flood map | 1.9 km |
| Little Hallingbury flood map | 2.5 km |
| Thorley Wash flood map | 2.6 km |
| Thorley Street flood map | 3.6 km |
| Old Harlow flood map | 3.8 km |
| Hatfield Heath flood map | 4.0 km |
| Churchgate Street flood map | 4.1 km |
Source: Open Flood Risk by Postcode
Licence: Open Government Licence
- 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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