Launch of the London Sustainable Drainage Action Plan

London is at increasing risk of flooding from its sewers during heavy rainfall. Growing challenges – more people, more buildings and more rain - will mean that our sewers and drains will become increasingly overloaded. Starting now, London needs to deliver lots of new sustainable drainage measures to support its struggling sewers.


The Mayor Boris Johnson, in partnership with Thames Water, the Environment Agency and London Councils have published a draft of the first London Sustainable Drainage Action Plan. This is a long-term plan intended to inspire, facilitate and co-ordinate a step-change in how we manage rainwater in the Capital. It seeks to roll back the tide of grey, impermeable surfaces and replace them with a mosaic of new green features, such as raingardens and green roofs.


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