Engineering work will affect trains running from Sutton and Sevenoaks from Monday to Thursday (October 20 to October 23).
Trains will run as normal on Friday (October 24).
Below are the full details for you to plan your journey this week.
Monday to Thursday (October 20 to October 23):
Engineering work is taking place overnight in the Swanley area, closing some lines.
The 11.46pm train from London Blackfriars to Sevenoaks service will be diverted via Orpington and will not call at stations between Bickley and Sevenoaks via Bat and Ball, calling additionally at Petts Wood and Orpington.
A replacement bus will run between Bromley South and Sevenoaks.
Journey times will be extended when using replacement buses.
Engineering work is taking place between Streatham and Sutton, closing some lines overnight.
From approximately 11.50pm until the end of service, Thameslink services to and from Sutton will start or terminate at Herne Hill or London Blackfriars.
Additionally, the 11.22pm train from Sevenoaks to London Blackfriars service will be diverted to terminate at London Victoria and will not call at Elephant & Castle or London Blackfriars.
