Braintree Flood Risk

Rivers and the sea Very low less than a 0.1% chance in any year

Surface water 1,258 addresses at risk that rivers and sea does not explain — a minimum, not a total

Groundwater Not mapped No national band is published for this source

Reservoirs Not mapped No national band is published for this source

Braintree has a Very low flood risk from rivers and the sea , with 0.6% of homes in a Medium or High band. The nearest gauge is 2.8 km away.

Braintree has 43,693 residents and 19,978 homes. Ranked 2236 of 7,114 in England for rivers and sea flood risk.

What Is The River Level Near Braintree Right Now?

The nearest gauge is Braintree, 2.8 km from the centre of Braintree, at Rayne. Its typical range is 0.195 m to 0.8 m, and the highest level on record is 1.311 m, reached on 9 February 2024.

No current reading has been published for this gauge.

This river has too few gauges for its own page

When Has Braintree Flooded Before?

The Environment Agency holds 2 recorded flood outlines covering Braintree, the most recent dated 24 October 2001.

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 Braintree's Flood Risk Classification Mean?

0.8% of postcodes in Braintree 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 Very low , with 0.6% 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.

Flood Zone versus flood risk band: the full comparison

Which Postcode Districts Cover Braintree?

Each district below is one postcode district that falls inside Braintree. 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 districts covering Braintree, with the flood risk band shared by most of each district's postcodes. A district can span more than one local area, so its band is a summary and not a property-level answer.
Postcode district	Postcodes here	Rivers and sea band	Surface water addresses
CM7	918	Low	1,222
CM77	20	Medium	36

What Else Is Near Braintree?

Essex flood risk Every town ranked in this county
Flood risk in England How this nation classifies flood risk, and its gaps
What each flood risk level means The annual chance behind each band word