Major disruption: no trains between London St Pancras International and London Blackfriars until approximately 15:00
Service alteration details
Incident reported: Sunday 15 November 2026 at 08:06
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Last updated
Sunday 15 November 2026 at 08:40
Train operators affected
- Thameslink
Route(s) affected
Trains between Bedford and Rainham (Kent) / Gatwick Airport / Three Bridges / East Grinstead / Haywards Heath / Horsham / Brighton, and between Cambridge and Gatwick Airport / Brighton, and between Finsbury Park and Sevenoaks, and between Luton and Elephant & Castle / Sutton / Gillingham (Kent) / Orpington, and between Kentish Town and Rainham (Kent), and between Peterborough and Horsham, and between Welwyn Garden City and Sevenoaks, and also between St Albans City and Sutton / Gillingham
Description
A tunnel being closed for safety reasons at Farringdon means all lines are closed. As a result, trains between London St Pancras International and London Blackfriars will be cancelled or revised.
Major disruption is expected until 15:00.
A visual disruption map video is available.
Customer advice:
No trains can run between London St Pancras and London Blackfriars until further notice. You will need to use an alternative route to reach your destination.
You should allow at least an additional 60 minutes to complete your journey today.
Please talk to station staff, look at the information boards or check your journey planner for the most recent information.
How is the service changing?
While this disruption is ongoing, these are the following changes to services:
North of London St. Pancras International:
Trains that normally run between Cambridge and London Kings Cross will run as booked
Trains that normally run between and Brighton and Cambridge will terminate and restart at London Kings Cross
Trains that normally run between Bedford and London St. Pancras will have a limited service running two trains per hour
Trains that normally run between Luton and Sutton will now run between Luton and Kentish Town. This service will be reduced to two trains per hour
South of London Blackfriars:
Trains that normally run between Horsham and Bedford will terminate and restart at London Blackfriars
Trains that normally run between and Brighton and Bedford will terminate and restart at London Blackfriars. This service will be reduced to two trains per hour
Trains that normally run between Sutton to Luton will now run between Sutton and London Blackfriars. This service will be reduced to two trains per hour
Trains that normally run between Horsham and Peterborough will terminate and restart at East Croydon
Suspended services:
Services running between Sutton and St Albans.
How do I get between London Blackfriars and London St Pancras International?
If you are travelling between these stations, you will need to use your ticket on London Underground or TFL buses.
This is also the best way to get to City Thameslink and Farringdon.
Please be aware that this will take up to an additional 30 minutes.
Can I use my ticket with another operator North of London?
You can travel on the following services at no additional cost:
Southern services between Horsham, Brighton, Sutton and London Victoria
Great Northern services between London Kings Cross, Peterborough and Cambridge
LNER services between London Kings Cross and Peterborough
Greater Anglia services between London Liverpool Street and Cambridge
CrossCountry services between Peterborough, Ely and Cambridge
East Midlands Railway services between London St. Pancras International and Bedford
Avanti West Coast between London Euston and Milton Keynes
London Northwestern Railway between London Euston, St Albans Abbey, Bedford and Milton Keynes
Can I use my ticket with another operator in London?
You can travel on the following services at no additional cost:
London Underground between all London terminals
London Buses on any alternative route between stations
Elizabeth line between Abbey Wood and Farringdon
London Trams between Wimbledon and Mitcham Junction
Can I use my ticket with another operator South of London?
You can travel on the following services at no additional cost:
Southern Services between Brighton, Horsham, Sutton and London Victoria
South Western Railway services between Wimbledon and London Waterloo
Southeastern services between Rainham and London Bridge
London Underground between all London terminals
London Buses on any alternative route between stations
London Trams between Wimbledon and Mitcham Junction
Please be aware that using alternative travel will add at least 30 minutes to your journey depending on the route.
Planning your journey:
For help planning your journey, check live departure boards, view a live network map or see alternative route guides.
If you’re travelling within London, you can use the TfL Journey Planner.
Catching a flight?
If you are travelling to Gatwick Airport / Luton Airport Parkway, please allow at least an extra 90 minutes for your journey to ensure you make your flight connections.
Can you tell me more about the incident?
A possible structural problem has been reported at Farringdon Tunnel, which is between Farringdon and St Pancras
Until the necessary safety checks have been completed, trains won't be able to run through the tunnel in question. Your service is likely to be held before it gets to the affected area, or amended to only complete part of its normal journey.
Network Rail's specialist engineering teams are investigating the report and will assess whether any repairs or further safety measures are needed. The lines can only reopen once the tunnel has been confirmed as safe.
Ticket flexibility:
If your train is cancelled, you will be able to travel on an alternative service operated by any other participating train company, either two hours before or two hours after the original departure time of the cancelled service, in order to reach your destination.
If you decide not to travel or cannot complete your journey due to cancellations, you are entitled to a full refund from your original point of sale.
For further information and guidance please contact your train company or speak to a member of railway staff.
Check before you travel:
You can check your journey using the National Rail real-time Journey Planner.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.
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