The work will affect trains from Monday (January 20) and Friday (January 24).
We have compiled all the details on these works so that you can plan your journey this week.
Engineering work is taking place at various locations on the Southeastern network, closing some lines overnight from Monday evening until Friday morning.
Monday to Thursday (January 20 to January 23):
The 10.45pm train from London Charing Cross to Hastings will run non-stop on Monday, Tuesday, and Thursday only between Tunbridge Wells and St Leonards Warrior Square.
From 11.45pm until the end of service, replacement buses will run between Tunbridge Wells and Hastings and will run between:
Tunbridge Wells and St Leonards Warrior Square / Hastings (calling at Wadhurst, Battle & West St Leonards)
Tunbridge Wells and Robertsbridge (calling at all stations)
Battle and Crowhurst (mini bus shuttle)
Monday, Wednesday and Thursday (January 20, January 22, and January 23):
The 11.39pm train from London Cannon Street to Dover Priory (Monday) and the 11.34pm train from London Charing Cross to Canterbury West and Dover Priory (Wednesday and Thursday) will be diverted, running non-stop between London Bridge and Ashford via Maidstone East.
Replacement buses will run between Tonbridge, Headcorn and Ashford calling at all stations.
If you are travelling to Sevenoaks, Tonbridge, or connecting to the replacement bus at Tonbridge, you should use alternative trains between London, Sevenoaks and Tonbridge.
Tuesday and Wednesday (January 21 and January 22):
The 12.26am train from London Cannon Street to Dartford via Greenwich will be diverted to run via Bexleyheath.
A replacement bus will run between London Bridge and Dartford via Greenwich.
Wednesday and Thursday (January 22 and January 23):
The 10.34pm train from London Charing Cross to Ramsgate will be replaced by a replacement bus between Minster and Ramsgate calling at Thanet Parkway.
The 11.07pm train from London St Pancras International to Ramsgate via Dover Priory service will be replaced by a bus between Deal and Ramsgate, calling at Sandwich.
The 11.40pm train from London St Pancras International to Margate via Canterbury West service will be replaced by a bus between Minster and Margate calling at all stations except Dumpton Park.
Thursday and Friday (January 23 and January 24):
The 12.22am train from Charing Cross to Dartford via Woolwich Arsenal will be diverted to run via Bexleyheath.
A replacement bus will run between Lewisham and Dartford via Woolwich Arsenal.