This is due to engineering work that will take place on Saturday and Sunday (June 20 and June 21).
Below is a full breakdown of the details.
Saturday and Sunday:
Engineering work is taking place between New Beckenham and Hayes in Kent all weekend.
On Sunday (June 21), the work will be extended and the lines between Lewisham and New Beckenham will also be closed.
On Saturday (June 20), trains between London Charing Cross and Hayes in Kent will run every 30 minutes and will be diverted after New Beckenham to run to and from Beckenham Junction.
Trains between London Charing Cross and Hayes will not run the following day.
Replacement buses will run between Beckenham Junction and Hayes on Saturday, and Lewisham and Hayes on Sunday.
Buses will call at all stations.
Elsewhere:
On Sunday alone, engineering work is taking place between Bickley and Rochester all day, closing all the lines through Swanley.
Trains between London Victoria and Ramsgate via Chatham will be diverted to run non-stop between London Victoria and Strood.
At Faversham, a portion of the train will be attached/detached to run between Faversham and Dover Priory.
Stopping services between London Victoria and Dover Priory via Denmark Hill will not run.
Trains between London Victoria and Ashford International via Maidstone East will only run between Borough Green & Wrotham and Ashford International.
Trains will run between London Victoria and Bromley South via Denmark Hill.
Replacement buses will run between Bromley South and Meopham, calling at all stations.
They will also run between Meopham and Strood non-stop, and between Bromley South and Borough Green & Wrotham, calling at St Mary Cray, Swanley, and Otford.
A minibus will run between Meopham and Sole Street.
The following Southeastern stations will be closed all day and will only be served by replacement buses:
St Mary Cray, Swanley, Farningham Road, Longfield, Meopham, Sole Street, Eynsford, Shoreham in Kent, Otford, and Bat & Ball stations will be closed all day.
