In 1842, the Chelsea Waterworks (in red) is located by the River Thames at the entrance of the Grosvenor Canal, first constructed by the company as a tidal inlet in 1725. The Chelsea Bridge near the entrance of the Grosvenor Canal had not yet been built over the River Thames.

Source:  Davies BR. London 1843, Publisher: Chapman & Hall, 186 Strand, London, Nov. 1, 1843.