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According to the definition by the Office for National Statistics, "Built-up areas are defined as land which is 'irreversibly urban in character', meaning that they are characteristic of a town or city. They include areas of built-up land with a minimum of 20 hectares (200,000 m 2; 49 acres). Any areas [separated by] less than 200 metres [of ...
All qualifying areas are now designated as urban areas. The use of housing unit density as an alternative minimum for inclusion: either 2,000 housing units or a population of 5,000 may qualify an area as an urban area. Previously, this minimum was 2,500 in population. The lowering of the allowable "jump distance" from 2.5 to 1.5 miles.
the definition follows a ‘bricks and mortar’ approach, with areas defined as built-up land with a minimum area of 20 hectares (200,000 m 2), while settlements within 200 metres of each other are linked. Built-up area sub-divisions are also identified to provide greater detail in the data, especially in the larger conurbations. [1] In ...
In France, an urban unit (French: unité urbaine) is a statistical area defined by INSEE, the French national statistics office, for the measurement of contiguously built-up areas. According to the INSEE definition , an "unité urbaine" is a commune alone or a grouping of communes which: a) form a single unbroken spread of urban development ...
Measures for urban sprawl in Europe: upper left the Dispersion of the built-up area (DIS), upper right the weighted urban proliferation (WUP). The term urban sprawl was often used in the letters between Lewis Mumford and Frederic J. Osborn, [17] firstly by Osborn in his 1941 letter to Mumford and later by Mumford, generally condemning the waste of agricultural land and landscape due to ...
There is no data for some of the smallest civil parishes in the 2011 census. The ONS definition of an urban area is based on the continuously built-up area, and is as follows:- "The definition of an urban area is an extent of at least 20 hectares and at least 1,500 residents at the time of the 2001 Census.
The official definition of each area does not necessarily follow the actual extent of continuous urbanization. For example, the built-up area of Metro Manila has long spilled out of its officially defined borders into the adjacent provinces of Bulacan, Rizal, Laguna, and Cavite known as Greater Manila Area. The number of metropolitan areas in ...
According to the harmonised European definition, there were eighteen metropolitan areas in the United Kingdom with populations of more than 500,000 at the time of the 2001 census. This article lists the UK metropolitan areas defined by ESPON, which excluded combined conurbations such as the Liverpool-Manchester megalopolis , which (in 2001) had ...