Chelmsford Flood Risk
Chelmsford has a Low flood risk from rivers and the sea , with 2.6% of homes in a Medium or High band. The nearest gauge is 0.1 km away.
Chelmsford has 110,662 residents and 50,426 homes. Ranked 1199 of 7,114 in England for rivers and sea flood risk.
What Is The River Level Near Chelmsford Right Now?
The nearest gauge is Springfield, 0.1 km from the centre of Chelmsford, at Chelmsford. Its typical range is 0.061 m to 0.75 m, and the highest level on record is 1.427 m, reached on 22 October 2001.
No current reading has been published for this gauge.
When Has Chelmsford Flooded Before?
The Environment Agency holds 2 recorded flood outlines covering Chelmsford, the most recent dated 30 September 1958.
Absence of a record is not evidence that a place has never flooded — the Environment Agency states that a lack of coverage does not mean an area has never flooded.
What Does Chelmsford's Flood Risk Classification Mean?
3.7% of postcodes in Chelmsford 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 2.6% 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 Chelmsford?
Each district below is one postcode district that falls inside Chelmsford. 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 |
|---|---|---|---|
| CM2 | 1,073 | Low | 2,430 |
| CM1 | 1,048 | Low | 2,328 |
| CM3 | 28 | Low | 57 |
What Else Is Near Chelmsford?
Other places on the River Chelmer, nearest to Chelmsford first.