For the purposes of the London Plan, the North London sub-region consists of Barnet, Enfield, Haringey and Waltham Forest.4 In 2001 this area had a population of 1,042,000.5 This definition is used by organisations such as Connexions.6
Colloquial use
Aside from the official definitions, North London refers to areas north of Central London. This area overlaps the informal Central, East, North East, North West and West London areas. Some of these districts are included in the Northern and North Western postcode areas. This area is included in all or part of the following boroughs, listed with postcode areas, direction from Charing Cross (the nominal centre of London), sub-region they are part of for planning purposes, and London Assembly constituencies: