Engineering work is taking place between Luton and London St Pancras International and also between London Bridge and Gravesend, closing some lines. 

A revised train service will run between:

• Bedford and Luton
• London Bridge and Brighton / Three Bridges / Horsham
• London St Pancras International and Sutton via Wimbledon. Thameslink trains will not run via Mitcham Junction

If you're travelling to stations between Tulse Hill and Sutton via Mitcham Junction, your tickets will be accepted on Southern services.

Gravesend and Rainham. Your tickets will be accepted on Southeastern trains between London Bridge and Gravesend, and on Southeastern rail replacement buses between Gravesend and Slade Green.

Rail replacement buses will run between:

• Luton Airport Parkway and Hitchin via Luton
• Harpenden and Potters Bar via St Albans
• Luton and London St Pancras International, calling at all stations except Kentish Town. If you're travelling between West Hampstead Thameslink and Kentish Town, or between Kentish Town and London St Pancras Interanational, your tickets will be accepted on London Underground and London Buses.

London Bus routes:

• 214, 46, C11, 32, 113, 107, 17 and 63 / N63

London Underground:

• Jubilee line between Stanmore and London Bridge
• Northern line between Edgware / Mill Hill Broadway and London Bridge / London Waterloo
• Victoria line between London Kings Cross / London St Pancras International and London Victoria

Check before you travel:

These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.

Replacement Bus Travel Advice:

For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use this page.

You can find the location of your replacement bus by checking station signs or by searching for your station on our station information pages.

Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.