Alton (East Hampshire) Flood Risk

Alton (East Hampshire) has a Low flood risk from rivers and the sea , with 0.3% of homes in a Medium or High band. The nearest gauge is 0.2 km away.

Alton (East Hampshire) has 17,842 residents and 8,503 homes. Ranked 2640 of 7,114 in England for rivers and sea flood risk.

What Is The River Level Near Alton (East Hampshire) Right Now?

0.017 m within its typical range
Gauge
Alton High Street, Alton
Distance
0.2 km from the centre of Alton (East Hampshire)
Typical range
0 m to 0.37 m
Reading taken
20 Sept, 14:00 UTC

Read from the Environment Agency flood-monitoring feed at 20 Sept, 14:34 UTC. The highest level on record here is 0.436 m , reached on 26 August 2015.

All gauges on this river

When Has Alton (East Hampshire) Flooded Before?

The Environment Agency holds 2 recorded flood outlines covering Alton (East Hampshire), the most recent dated 12 December 1968.

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 Alton (East Hampshire)'s Flood Risk Classification Mean?

0.7% of postcodes in Alton (East Hampshire) 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 0.3% 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 Alton (East Hampshire)?

Each district below is one postcode district that falls inside Alton (East Hampshire). 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 Alton (East Hampshire), 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
GU34 542 Low 682

What Else Is Near Alton (East Hampshire)?

Other places on the River Wey, nearest to Alton (East Hampshire) first.