Welwyn Garden City Flood Risk
Welwyn Garden City has a Low flood risk from rivers and the sea , with 0% of homes in a Medium or High band. The nearest gauge is 3.7 km away.
Welwyn Garden City has 51,149 residents and 23,083 homes. Ranked 3063 of 7,114 in England for rivers and sea flood risk.
What Is The River Level Near Welwyn Garden City Right Now?
Read from the Environment Agency flood-monitoring feed at 20 Sept, 14:34 UTC. The highest level on record here is 1.284 m , reached on 23 July 1996.
What Does Welwyn Garden City's Flood Risk Classification Mean?
0% of postcodes in Welwyn Garden City sit in Flood Zone 3, the planning band for land with a 1% or greater annual chance of river flooding or 0.5% or greater of sea flooding — and the map that draws it deliberately ignores flood defences.
The flood risk band for rivers and the sea is Low , with 0% of homes in a Medium or High band. Unlike the Flood Zone, the band counts the defences that are actually in place, which is why the two can describe the same street differently and both be right.
Which Postcode Districts Cover Welwyn Garden City?
Each district below is one postcode district that falls inside Welwyn Garden City. The band is the one shared by most of that district's postcodes, so it describes the district rather than a single street — enter a full postcode in the checker for one address. A district can cover more than one town, and the district pages linked from the checker are keyed to the town that holds most of its postcodes.
| Postcode district | Postcodes here | Rivers and sea band | Surface water addresses |
|---|---|---|---|
| AL7 | 827 | Low | 1,671 |
| AL8 | 375 | Low | 524 |
| AL6 | 58 | Low | 14 |
What Else Is Near Welwyn Garden City?
Other places on the River Mimram, nearest to Welwyn Garden City first.