London Underground ticketing destinations and most interchange stations are in zone 1, meaning that most journeys over similar distances will cost the same. A few stations in the north east of the network, on the Central line, outside Greater London (in the Epping Forest district) are in zones 4, 5 and 6. In the north west of the network, on the Metropolitan line, zones 7, 8 and 9 (formerly A - D) cover stations outside Greater London including Amersham and Chesham in the Chiltern district of Buckinghamshire. Unlike the lower numbered zones, these ancillary areas do not encircle the capital. Some stations are
London Borough of Havering private rented housing in Havering is the most affordable of any London borough. Named neighbourhoods are the developments of Ardleigh Green, Chase Cross, Collier Row, Elm Park, Harold Hill, Rainham. The borough's exurbs with green buffers of farmland or parkland are: The M25 motorway forms part of the borough boundary to the east with North Ockendon the only settlement to fall outside. The A12 (near Romford) and the A13 (near Rainham) are the main trunk radial routes from central London and are located to the north and south of the borough respectively. The A127 trunk route to Southend begins at