This is due to engineering work and will affect trains from Monday to Thursday (October 20 to October 23).
Trains will run as normal on Friday (October 24).
We have broken down the details so you can plan ahead.
Monday to Thursday (October 20 to October 23):
Engineering work is taking place overnight between Streatham and Sutton via Mitcham Junction, closing some lines.
The 11.15pm train from Dorking to London Victoria train will be diverted between Sutton and Balham and run non-stop.
A replacement bus will run from Sutton to London Victoria calling at stations via Mitcham Junction.
The 11.25pm train from London Victoria to Horsham train will be diverted between Balham and Sutton and run non-stop.
A replacement bus will run from Balham to Horsham calling at stations via Mitcham Junction.
Journey times will be increased when using replacement buses.
Engineering work is also taking place between East Croydon and Oxted, closing some lines.
From approximately 11.30pm until the end of service on Monday to Thursday evenings, the 10.07pm train from London Bridge to Uckfield will terminate at Oxted.
A replacement bus will run from Oxted to Uckfield.
The 11.22pm train from London Victoria to East Grinstead service will terminate at East Croydon.
A rail replacement bus will run from East Croydon calling at stations to Oxted or East Grinstead.
The 11.53pm train from London Victoria to Oxted train will terminate at East Croydon.
A replacement bus will run from East Croydon calling at stations to Oxted.
