Engineering work is taking place between Luton and Kentish Town / London Blackfriars, closing some lines used by Thameslink services.
Saturday:
Trains which usually run between Luton and Rainham will only run between Kentish Town and Rainham.
Trains which usually run between St Albans City and Sutton via Mitcham Junction will only run between London Blackfriars and Sutton via Mitcham Junction.
Trains which usually run between St Albans City and Sutton via Wimbledon will run between Luton and Sutton via Wimbledon until approximately 20:00, and between St Albans City and Sutton via Wimbledon from approximately 20:00 until the end of service.
Sunday:
Trains which usually run between Luton and Rainham will only run between Plumstead and Rainham. You can use your tickets at no extra cost on Southeastern services between London and Plumstead.
Trains which usually run between St Albans City and Sutton via Mitcham Junction will only run between London Blackfriars and Sutton via Mitcham Junction.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner.