In a dispute over pay and conditions, RMT confirmed in August that Tube workers would be taking industrial action from September 5.
A separate dispute will also see RMT members on London’s Docklands Light Railway (DLR) strike from September 7.
Ahead of the strikes, we’ve rounded up everything you need to know from when, the affected lines and why the Tube strikes are taking place.
Strike action: Sunday 7 – Friday 12 September ⚠️
– Sunday 7: Limited Tube service, ending earlier than usual. Please complete your journey by 18:00.
– Monday 8 – Thursday 11: Very limited or no Tube service, with no trains before 08:00. Please complete journeys by 18:00.
— TfL (@TfL) September 2, 2025
When are the Tube strikes taking place in September?
The full list of London Underground strike action taking place next month, according to RMT, is as follows:
- Ruslip Depot Operational Managers (separate to main dispute) to strike from 6pm on Friday, September 5 to 5.59pm on Saturday, September 6 over pay parity.
- Track Access Controllers, London Underground Control Centre, Power/Control and ERU members will strike between 12.01am and 11.59pm on Sunday, September 7.
- All Fleet (Except Engineering Vehicles Operations and Maintenance (formerly known as transplant) and ERU), Engineering, Stations and Trains members will strike between 12.01am and 11.59pm on Monday, September 8.
- Signallers, Service Control and ERU members will strike between 12.01am and 11.59pm on Tuesday, September 9.
- All Fleet (Except Engineering Vehicles Operations and Maintenance (formerly known as transplant) and ERU), Engineering, Stations and Trains members will strike between 12.01am and 11.59pm on Wednesday, September 10.
- Signallers and Service Control members will strike between 12.01am and 11.59pm on Thursday, September 11.
What Tube lines are affected by strikes in September?
TfL has given official guidance on affected London Underground lines ahead of the strikes.
@tfl Your exclusive sneak peek of the new DLR trains 👀 Coming soon to a station near you, head to the link in our bio to check out the new features 🙌 *Keep an eye out on the network from September while the trains, with special livery, are running through reliability testing #TfL #NewTrains #DLR
Sharing on the TfL website: “Strikes are planned on the Tube and DLR. If they go ahead, we expect services will be disrupted”.
It’s expected on September 7, 8 to 11, that disruption will be across the Tube network, will little to no services running.
There will also be no service before 8am on strike days, and travellers are encouraged to complete journeys by 6pm.
On Tuesday, September 9, and Thursday, September 11, DLR strikes will take place, resulting in no DLR services on those days.
Due to disruption on the Tube and the DLR, TfL is warning travellers that other services, including the Overground and trams will likely be extremely busy.
Is the Elizabeth Line running during September Tube strikes?
Regarding the Elizabeth Line and if it is affected during the Tube strikes, TfL shared that it will have “normal service”.
However, they have warned that all other TfL services not affected by the strikes, including the Elizabeth Line, Overground, and trams, are likely to be “extremely busy” on strike days.
@tfl We bet you didn’t know this 🤫 #tfl #london ♬ original sound – Transport for London
Adding that “some services may be unable to stop at all stations or run to their normal destination at times”.
Why are the Tube strikes in September taking place?
Discussing the Tube strikes, RMT general secretary Eddie Dempsey said: “Our members are doing a fantastic job to keep our capital moving and work strenuous shift patterns to make sure Londoners get to their destinations around the clock.
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“They are not after a King’s ransom, but fatigue and extreme shift rotations are serious issues impacting on our members’ health and wellbeing – all of which have not been adequately addressed for years by LU management.
“Coupled with the fact there are outstanding issues around staff travel arrangements, an atmosphere of distrust has been created, where our members feel like no-one is listening to them.
“RMT will continue to engage LU management with a view to seeking a revised offer in order to reach a negotiated settlement.”
