Some services will be diverted while some stations will not be called at, affecting journeys throughout the week and into the weekend.
Be sure to check out alternative routes, taking note of shuttle services and rail replacements in place.
Monday January 13 to Thursday January 16
Engineering work between Fenchurch Street and Upminster means from 11.30pm, services will start and terminate at Liverpool Street, Barking or Upminster.
Shuttle services will run between Upminster and Pitsea via Laindon, and between Upminster and Grays.
Passengers with a valid ticket can use District line services between Tower Hill and Upminster and Jubilee line services between West Ham and Stratford.
Friday January 17 to Saturday January 18
No planned engineering works.
Sunday January 19
Engineering work between Barking and Pitsea via Rainham means Liverpool Street services will be diverted to Fenchurch Street, calling at West Ham but not calling at Stratford.
No services will run between Barking and Pitsea via Rainham, or between Upminster and Grays.
Rail replacement will be in place from Upminster to Pitsea via Ockendon, and to Grays via Rainham and Purfleet.
Passengers for Dagenham Dock have ticket acceptance on EL2 and 287 TfL bus services.
Ticket acceptance will be available on the Jubilee line between Stratford and West Ham. Fenchurch Street is a short walk from Liverpool Street.
