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Surface water flooding does not just hit homes and businesses, but also has far reaching effects across society, disrupting road, rail, utilities of towns or cities. It is a risk area which is growing.
An increasing population and drive to build new homes will mean more concrete and fewer areas for rainfall to safely drain away. The government set a target in 2015 to build 200,000 houses a year, so that by 2020 one million new homes would have been built.
Incredibly, this target was deemed too small and in 2017 it was increased to 250,000 homes a year with the suggestion that the target should rise to 300,000 a year.
Alongside new developments, changing land uses and deforestation will exacerbate flood risk as interception and infiltration rates are reduced. Climate change will bring more frequent and intense rainfall, bringing more flash flooding and overloading of our ageing sewer network.