Thames Estuary The new airport would be built on a man-made island in the estuary north of Minster-in-Sheppey There is also some discussion about the need for a Lower Thames Crossing in order to alleviate traffic congestion at Dartford. The Thames Estuary is the focal part of the 21st-century toponym, the "Thames Gateway", designated as one of the principal development areas in Southern England. The appellation Greater Thames Estuary applies to the coast and the low-lying lands bordering the estuary itself. These are characterised by the presence of mudflats, low-lying open beaches and salt marshes, namely the North Kent Marshes and the
Canvey Island census, the population of Canvey was 37,479 of which 87.9% of people were living within the five wards of the eastern area of the island at a population density of 38 persons per hectare, while the population density within the west ward – covering a larger area of the island – was 4.6 persons per hectare. There were 15,312 dwellings on Canvey of which 98.7% were households. 42.4% were occupied by married couples, 13.9% of households contained three or more adults and no children, 26% were one person households and 8.1% were occupied by co-habiting couples. Canvey had a higher