MILLIONS of Londoners are facing travel chaos in September 2025 as London Underground workers go on strike.
The walkout is in relation to an escalating row over pay and working conditions — here’s everything you need to know.
There will be six days of strike action across London Underground in September 2025Getty
Tube services are expected to grind to a halt for six days in September 2025, with knock-on effects expected across large parts of the capital’s transport network.
The industrial action follows the collapse of negotiations between Transport for London managers and the National Union of Rail, Maritime and Transport Workers (RMT).
With no settlement in sight, commuters are being urged to brace themselves for widespread disruption during one of the busiest periods of the year.
When are the September tube strikes?
The walkouts are scheduled to begin on Friday, September 5, 2025, and will continue until Thursday, September 11.
The action is coordinated in phases, with different groups of staff walking out on successive days.
This means Londoners will face almost a full week without a reliable Tube service.
On Sunday, September 7, Track Access Controllers, the London Underground Control Centre, Power/Control and Emergency Response Unit (ERU) members will strike from 12.01am until 11.59pm.
Then on Monday, September 8, all Fleet Staff (except those involved in engineering vehicle operations and maintenance), together with Engineering, Stations and Train members, will take action for the full day.
On Tuesday, September 9, Signallers, Service Control and Emergency Response Unit (ERU) workers will down tools for 24 hours.
Fleet, Engineering, Stations and Trains members will strike on Wednesday, September 10.
Signallers and Service Control members will walk out on Thursday, September 11.
Meanwhile, in a connected dispute over pay and working conditions, Docklands Light Railway employees will also begin industrial action from September 7.
What lines are set to be affected?
Nearly every line on the Underground is expected to face disruption due to the staggered strike schedule.
However, the Elizabeth line and the London Overground will remain unaffected.
Signallers, drivers, fleet operators and station staff are all taking part in the industrial action, so keeping services running, even at a limited capacity, could prove nearly impossible for TfL.
The RMT union has said the strikes are not just about pay but also about “fatigue management, extreme shift patterns and a reduction in the working week, as well as failing to honour previous agreements made with staff”.
RMT General Secretary Eddie Dempsey explained: “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.
“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.”
The following Underground lines will be affected by the strikes:
Bakerloo
Central
Circle
District
Hammersmith & City
Jubilee
Metropolitan
Northern
Piccadilly
Victoria
Waterloo & City
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