Thames Flood defences - A tool can more accurately predict when the Thames Estuary flood defences will need to be closed.

A passage of text on the map stated that “the tidal Thames is not safe to swim in”, and it instead suggests Londoners enjoy locations like Hampstead Ponds, the Serpentine in Hyde Park ...

There are 45 non-tidal locks along the River Thames, including Henley's A trade union has said River Thames lock and weir keepers are set to be balloted for industrial action over safety concerns.