The fire has broken out at an industrial unit on Platt’s Eyot, which an island on the River Thames.
Video footage from social media shows firefighters rushing to the scene to tackle the massive blaze.
A witness said: “Police/fire moving people back. Lots of bangs and pops.
“The fire is a long way from the road, surrounded by river.”
One person wrote on Twitter that a boat yard is on fire.
They said: “It’s Platts Eylot, island in the Thames opposite Hampton Water works. Boat yard on fire.”
Several other people have taken to the social media platform to describe their shock at the huge blaze.
One person wrote: “Raging fire on Port Hampton. Hearing Sirens.”
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