Thameslink disruption: Delays and cancellations expected for train services between St Pancras and London Bridge after signalling system fault
2nd Dec 2025, 8:28am
Thameslink has warned passengers that there is disruption to some of its services this morning.
The train firm has said there is disruption between St Pancras and London Bridge. Posting on X, Thameslink said: “Services are being affected by a fault with the signalling system between St Pancras and London Bridge.
“Trains towards London Bridge have to run at reduced speed as a result. You can continue to use your planned route, but we advise allowing at least 15 minutes extra to complete your journey. Disruption is expected to last until at least 09:30.”
It added that services may be subject to delays, alterations, and cancellations. Affected passengers can use their ticket at no additional cost on the following alternatives:
- Alternative Thameslink/Southern/Great Northern services on any reasonable route towards your destination
- London Underground through and around London, including the Northern Line between High Barnet and Edgware
How the service is being affected:
- Trains that normally run between Bedford and East Grinstead have been suspended
- Trains that normally run between Luton and Orpington have been suspended
- Trains that normally run between Cambridge and Brighton have been suspended
- Trains that normally run between between Welwyn Garden City and Sevenoaks will terminate and restart at London Blackfriars
- Trains that normally run between Bedford and Three Bridges will terminate and restart at Gatwick Airport