It closed on 1 November 1865 when an extension was built to Broad Street in the City of London and a triangular junction was installed which joined the existing tracks to the east and west of the station.

[6][7] Aside from increasing the number of entry and exit gates, the changes are largely cosmetic and do not make any provision for step-free access.

However, service intervals vary from about seven minutes during peak times to 30 minutes on Sundays[10] At Dalston Kingsland station the North London line (NLL) was powered by both 25 kV overhead AC and 750 V third-rail DC systems and was the change-over point between current collection by pantographs and by shoes for passenger trains that are dual-system Class 378 electric multiple units (EMUs).

For reliability, time-saving, and as part of the NLL upgrade, the third rail has now been removed and overhead cables power the North London line between Stratford and Acton Central.

In August 2002 a potentially serious railway accident was avoided near Dalston Kingsland when a passenger train was inadvertently diverted on to the goods line during emergency signalling.