Property/Postcode Data Search:
CM21 9LN Flood Risk Map
CM21 9LN is in a no flood risk area. The nearest low flood risk area is 79 metres away in CM21 9PZ. Map of CM21 9LN, surrounding postcodes, and their flood risks.
Important: We have taken a single point within CM21 9LN 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 9LN by risk level
| Flood Risk | Postcode | Distance | Flood Map |
|---|---|---|---|
High | CM23 3DT | 5.3km | CM23 3DT flood map |
Medium | CM21 9FJ | 891m | CM21 9FJ flood map |
Low | CM21 9PZ | 79m | CM21 9PZ flood map |
Very Low | CM20 2EG | 3.4km | CM20 2EG flood map |
CM21 9LN geodata
| Easting | 549064 |
|---|---|
| Northing | 214650 |
| Latitude | 51.810615 |
| Longitude | 0.160885 |
Flood maps for places near CM21 9LN
| Place | Distance |
|---|---|
| Lower Sheering flood map | 116 m |
| Sawbridgeworth flood map | 700 m |
| Gaston Green flood map | 2.5 km |
| Spellbrook flood map | 2.9 km |
| Little Hallingbury flood map | 3.0 km |
| Old Harlow flood map | 3.0 km |
| Churchgate Street flood map | 3.1 km |
| Hatfield Heath flood map | 3.3 km |
| Thorley Wash flood map | 3.7 km |
| Thorley Street flood map | 4.6 km |
Source: Open Flood Risk by Postcode
Licence: Open Government Licence
- Contains OS data © Crown copyright and database right (2025)
- Contains Royal Mail data © Royal Mail copyright and Database right (2025)
- Contains National Statistics data © Crown copyright and database right (2025)
- Data produced by Land Registry © Crown copyright (2025)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2025)
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