The Big Picture: Questions over flood planning

Bardney in Lincolnshire was one of the communities which was most significantly affected by floods caused by heavy rainfall during November.

(Pic: Getty)
(Pic: Getty)

Severe flooding was also experienced in Yorkshire, Derbyshire, Gloucestershire, Nottinghamshire, Warwickshire and Worcestershire. In the aftermath of the floods, independent government advisory body the Committee on Climate Change estimated that, if current development trends continue, it is possible that between 105,000 and 165,000 more homes will be built in the highest-risk flood zones between 2018-19 and 2022-23.


The highest-risk level of flood zone, which includes areas with a 1 in 100 or higher annual probability of river flooding or 1 in 200 or greater annual probability of sea flooding (zone 3a) and the functional flood plain (zone 3b).

2 or 3

The flood zones in which a sequential test is required for any proposed housing development.


The percentage of new residential addresses created in high flood risk areas in England in 2017-18.


The percentage of applications for new homes which were decided in line with Environment Agency advice in between 2017 and 2018.


The number of flood warnings issued in England and Wales by the Environment Agency in November.


The number of properties protected by flood defences in England during November’s flooding.

Sources: EnvironmentAgency/MHCLG Land Use Change Statistics/Planning Practice Guidance section on flood risk and coastal change

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