Does the government spend more on flood defences for the south?

As parts of the north remain inundated, Labour has accused the Conservatives of skewed spending

Claim Jeremy Corbyn has said the government's spending on flood defences until 2021 "heavily favours London and the south-east of England".

Background About 5.4m properties in England are at risk of flooding from rivers, the sea and surface water. Annual flood damage costs the country an estimated 1.1bn.