Dartford is the principal town in the Borough of Dartford, Kent, England. It is located 18 miles south-east of Central London, and is situated adjacent to the London Borough of Bexley to its west. To its north, across the Thames estuary, is Thurrock in Essex, which can be reached via the Dartford Crossing and the Dartford Tunnel.
Erith (/ ˈ iː r ɪ θ / ( listen)) is a town in south-east London in the London Borough of Bexley. The town is located to the north-east of Bexleyheath and north-west of Dartford and lies on the south bank of the River Thames. Erith town centre has undergone modernisation and an increase in dwellings since 1961.
Sidcup High Street is the main retail and commercial street, and there are some other shops and local businesses on the adjacent Station Road. In 2014, Sidcup High Street was the subject of a £1.8 million regeneration scheme In Store For Sidcup paid for by London Borough of Bexley.