Engineering work is taking place overnight between Streatham and Tulse Hill, closing some lines.
Monday to Thursday
The 22:38 St Albans City to Sutton service will terminate at Herne Hill.
The 22:54 Luton to Sutton service will terminate at London Blackfriars.
Tuesday to Friday
The 05:46 Sutton to St Albans service will start from Elephant & Castle.
Your ticket will be accepted on Southern services and TfL buses to complete your journey.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
You can plan your journey on London Buses by using the Transport for London Journey Planner