The changes are due to engineering work and will affect trains from Monday to Friday (August 11 to August 15.
We have outlined and simplified the details so you can plan your journey this week.
Engineering work is taking place between Streatham and East Croydon, closing various lines overnight from Monday evening until Friday morning.
Monday to Thursday (August 11 to August 14):
The 11.41pm train from London Bridge to Sutton train will be diverted after Tulse Hill and run to East Croydon.
A replacement bus will run from East Croydon to Sutton, running to West Croydon, then calling at all stations to Sutton.
Tuesday to Friday (August 12 to August 15):
The 12.01am train from London Bridge to Selhurst service will divert to Norwood Junction after Tulse Hill.
A replacement bus will run from Tulse Hill to Selhurst.
