Likelihood of Flooding

The chance of flooding occurring. You can select to see information for three flooding likelihoods: High, medium and low.

High likelihood: A flood event is likely to occur in the defined area on average once in every ten years (1:10). Or a 10% chance of happening in any one year.

Medium likelihood: A flood event is likely to occur in the defined on average once in every two hundred years (1:200). Or a 0.5% chance of happening in any one year.

Low likelihood: A flood event is likely to occur in the defined area on average once in every thousand years (1:1000). Or a 0.1% chance of happening in any one year.

The likelihood of flooding remains the same in each year. For example, if you experience a flood in year 1 there is the likelihood of it happening in year 2.