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Blackfen Flood Map
Map of Blackfen (Sidcup, 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 Blackfen flood map. In the case of Blackfen, all postcodes are medium flood risk.
Status:
High
Medium
Low
Very Low
IMPORTANT: We have taken a single point within a Blackfen postcode 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.
Flood maps for other places near Blackfen
| Place | Distance |
|---|---|
| Sidcup flood map | 1.6 km |
| Bexleyheath flood map | 3.0 km |
| Old Bexley flood map | 3.1 km |
| Eltham flood map | 3.2 km |
| North Cray flood map | 3.3 km |
| Bexley flood map | 3.4 km |
| Foots Cray flood map | 3.6 km |
| Lesnes Abbey flood map | 3.9 km |
| Plumstead flood map | 3.9 km |
| Chislehurst flood map | 4.3 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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