Upper Holloway Station is set to close for eight months from June, the Gazette understands.
It would be one of 12 stations to close as part of improvement work planned for the Gospel Oak to Barking Overground line.
The work will see diesel stock replaced with electric trains as part of a move to increase capacity on what is often an overcrowded route.
The news comes just one week after another key Islington transport hub – Caledonian Road Underground Station – was saved from an eight-month closure. Transport for London (TfL) had planned the closure for lift repairs, but backed down after huge public backlash.
Mike Stubbs, TfL’s director of London Overground, said: “Electrifying the Gospel Oak to Barking line will double capacity on this busy route in a rapidly-growing part of the city.
“It also is needed to enable a new rail extension to Barking Riverside, which will support up to 11,000 new homes in one of the mayor’s largest opportunity areas.”
“Network Rail is carrying out the work and we are working with them to finalise the timetable.
“No final decisions have been made, but we are aware of the disruption this will cause and so we are pressing for the shortest possible timescale.”
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