Chesham Flood Risk
Chesham has a High flood risk from rivers and the sea , with 2.9% of homes in a Medium or High band. The nearest gauge is 0.9 km away.
Chesham has 22,730 residents and 10,105 homes. Ranked 1114 of 7,114 in England for rivers and sea flood risk.
What Is The River Level Near Chesham Right Now?
Read from the Environment Agency flood-monitoring feed at 20 Sept, 14:34 UTC. The highest level on record here is 0.884 m , reached on 20 September 2014.
What Does Chesham's Flood Risk Classification Mean?
4.8% of postcodes in Chesham 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 High , with 2.9% 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 Chesham?
Each district below is one postcode district that falls inside Chesham. 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 |
|---|---|---|---|
| HP5 | 538 | High | 1,375 |
How Does Flood Risk Affect Insurance And Buying In Chesham?
A High flood risk band can affect the price, the excess and the availability of home insurance, and it is worth checking before you buy. Flood cover is normally part of standard home insurance, and insurers set their own prices.
How insurers price flood risk, what Flood Re covers, and what to do if a standard insurer declines.
The eight statutory conditions, with an eligibility checker that gives a real verdict.
Barriers, airbricks, pumps and non-return valves, ranked by what they protect against.
This site is not authorised by the Financial Conduct Authority and gives no advice. It explains the market and links to regulated intermediaries.
What Else Is Near Chesham?
Other places on the River Chess, nearest to Chesham first.