London floods

Needless to say, after the downpours there were quite a few floods, with Kent seemingly affected the worst.

https://www.standard.co.uk/news/uk/kent-flooding-swathes-of-gravesend-strood-and-meopham-submerged-as-huge-thunderstorm-and-flash-a3850291.html

http://www.bbc.co.uk/news/uk-england-44293941

In London:

From the Standard article:

Parts of London were also hit by flash floods including Bexleyheath, Erith, Blackfriars and Stratford.

From the BBC:

London was also badly hit with about 30 houses flooded by up to 25in (64cm) of water in Erith, south-east London.

Four people were also rescued from their cars in Stratford, in the east of the city.