Thames Estuary Airport a major International hub at Cliffe which would link in with the HS1 line through Kent to St Pancras. The Cameron government was committed to a full Aviation Review and a scoping study was released in March 2011. The "Marinair" proposal was put forward in the 1990s, in which an airport would be built on an offshore artificial island in the Thames estuary, north east of the Isle of Sheppey. When the proposal was put forward again in the government's 2002 consultation, it was rejected on the grounds of insufficient information and prohibitive expense. The Marinair plans had been developed
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