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London bus routes could be hit by strikes in September 2025: potential routes and strike dates this weekend

Bus workers in west, northwest and southwest London voted to walk out for three days this month – but now the strike has been largely called off

Amy Houghton
Written by
Amy Houghton
Contributing writer
148 bus in London
Photograph: Mousamjm / Shutterstock.com
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Strikes called for bus routes across west and southwest London have been largely called off, avoiding significant disruption for dozens of services in the capital. 

Thousands of bus drivers, engineers and controllers in the area were planning to go on strike from Friday September 12 to Monday September 15. The workers belong to the Unite union, and they intended to walk out in a pay dispute with employers London United and London Transit. The two companies are both owned by First Bus.

On Wednesday (September 10), workers for London United – the majority of employees set to strike – accepted a pay offer and cancelled the walk-out. Further negotiations are expected between Unite and London Transit, but as it stands those workers will still strike. 

If you live or work in west London, here’s everything you should know about the bus strike, including all the specific bus routes set to be affected. 

RECOMMENDED: London tube strikes are taking place in the first week of September.

When are London bus workers going on strike?

Industrial action is planned to take place from 5am on Friday September 12 to 5am on Monday September 15.

The same workers previous walked out on Friday, August 29 and Monday, September 1.

Which bus routes will be affected by strikes? 

If no agreement is reached between Unite and London Transit, the following services could be affected: 13/N13, 23/N23, 31/N31, 218, 295/N295 and 452.

Why are bus workers going on strike? 

The Unite union says that workers were striking in response to London Transit allegedly trying to alter when pay rises would take effect. That could mean that drivers lose out on hundreds of pounds of back pay. 

A spokesperson for First Bus London said: ‘Our employees are at the heart of everything we do, and the above-inflation offer, which includes full back pay for all colleagues, demonstrates our commitment to supporting our people through the ongoing cost-of-living pressures while balancing the financial challenges we face as a business.’

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