The work will affect trains from Monday (February 24) and Friday (February 28).
We have compiled all of the details on these works so that you can plan your journey this week.
Engineering work is taking place overnight this week at various locations on the Southeastern network, closing some lines.
Monday to Thursday (February 24 to February 27):
From 11.50pm until the end of service, trains via Maidstone East will be diverted after Otford to run via Sevenoaks.
Replacement buses will run between:
Sevenoaks and Maidstone East calling at all stations except East Malling
Maidstone East and Ashford International calling at all stations
West Malling and East Malling minibus shuttle
Tuesday, Wednesday and Thursday (February 25 to February 27):
From 11.15pm until the end of service, replacement buses will run between Dartford and Gravesend.
The 11.20pm and 11.50pm train from London St Pancras International to Faversham services will be replaced by buses between Ebbsfleet International, Gillingham and Faversham calling at all stations except Higham, Newington and Teynham.
From 11.55pm until the end of service, replacement buses will run between Ashford International and Dover Priory.
The 10.04pm and 11.04pm train from London Charing Cross to Dover Priory trains will be diverted between Ashford International and Dover Priory to run via Canterbury West
The 11.07pm train from London St Pancras International to Ramsgate via Dover Priory service will be diverted between Ashford International and Ramsgate to run via Canterbury West
An additional train will leave Dover Priory at 1.01am, calling at all stations to Ramsgate via Deal.
Wednesday, Thursday and Friday (February 26 to February 28):
The 4.30am train from Gravesend to London Charing Cross via Sidcup train will start from Dartford at 4.48am.
Passengers will need to use Thameslink services between Gravesend and Dartford to connect with this train.
No trains via Lewisham from Monday to Thursday:
Engineering work is taking place overnight in the Lewisham area, closing some lines.
From approximately 11.15pm, trains will not be able to stop at Lewisham.
Trains via Bexleyheath will not run or will be diverted to run via Sidcup, and trains will be unable to run between Lewisham and Hayes.
On Monday and Tuesday, trains on the Hayes line will be diverted after New Beckenham to Bromley South except the 12.09am train from London Cannon Street to Hayes, which will not run.
On Wednesday and Thursday, trains on the Hayes Line will not run.
Replacement buses will run on the following routes:
London Bridge and Dartford via Bexleyheath
London Bridge and Hayes
London Bridge and Dartford via Sidcup (12.50am from Lewisham only)
London Bridge and Orpington (1.10am from London Bridge only)
London Bridge / Lewisham and Charlton / Dartford via Woolwich (Wednesday and Thursday only)
