If you are looking for rentals in London and simply cannot afford the more central areas then you should consider heading north. North London is an important area that is located north of the River Thames. This particular area consists of various small towns that are commonly referred to as boroughs such as Barnet, Islington, Enfield, Hackney, Haringey, Harrow and Camden. Most of underground transportation networks are found in this area of North London. The small towns are situated on the north side of river Thames that include, Brent, Havering, Dagenham, Hammersmith and Fulham, Ealing Hillingdon and Hounslow.