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London bus drivers strike over heatwave conditions

Created at 25 Aug · 4:06 PM1 source↑ Market-relevant
IN SHORT

London bus drivers have resumed a four-day strike over working in high temperatures, with concerns that air conditioning upgrades may not be completed by next summer. Unite union members rejected an offer from Arriva North London, citing inadequate solutions for excessive in-cab heat.

Key Numbers

1,500Unite union members striking
4Days of strike action
730Buses in Arriva North London's fleet
30CIn-cab temperatures reported
40CTemperatures exceeded during heatwaves
2C-3CTemperature reduction from cooling systems

Who's Involved

Unite union
Union representing striking bus drivers
Arriva North London
Bus operator involved in the dispute
Sharon Graham
General Secretary of Unite union

↳ Why This Matters

The strike highlights ongoing labor disputes over working conditions, particularly in extreme weather, and raises concerns about the timely implementation of safety improvements in public transportation infrastructure.

Key facts

  • Around 1,500 London bus drivers are on strike over working conditions during high temperatures.
  • The drivers, represented by the Unite union, are striking against bus operator Arriva North London.
  • Concerns exist that proposed air conditioning upgrades to Arriva's fleet may not be completed by next summer.
  • Drivers have reported in-cab temperatures exceeding 30C, with cooling systems offering minimal relief.
  • Some drivers have experienced health problems including heat exhaustion and dehydration due to the conditions.
  • Arriva stated that most garages accepted the deal and they are investing in cab air conditioning upgrades.

London bus drivers, represented by the Unite union, have resumed a four-day strike action over concerns about working in high temperatures. Approximately 1,500 drivers across north London and Essex are participating in the industrial action, which began Tuesday and is set to continue through Friday. This follows earlier strikes this month and further stoppages are planned for the coming weeks.

The dispute centers on the perceived inadequacy of proposed improvements to air conditioning systems in the drivers' cabs. While Arriva North London and Unite reached an agreement, some drivers rejected the offer, feeling it did not sufficiently address the issue of excessive in-cab heat, which has been reported for years.

Drivers have described temperatures rising above 30C, with existing cooling systems only managing to reduce the heat by 2C-3C. This has led to concerns about fatigue and health problems such as heat exhaustion and dehydration, particularly in light of recent heatwaves where temperatures have exceeded 40C.

Unite General Secretary Sharon Graham stated that Arriva can afford to make acceptable changes and that strike action will continue until then. Drivers at eight specific garages initially went on strike on August 14 and 18, causing delays and cancellations on over 40 bus routes. Three of these garages voted against the new offer.

A spokesperson for Arriva London expressed disappointment, noting that five out of eight garages had not supported the strike. The company claims to have reached an agreement with Unite officials on all demands and is seeking to understand remaining concerns. Arriva emphasized its commitment to driver and customer safety, highlighting measures introduced this summer and ongoing investment in air conditioning upgrades across its fleet of 730 buses.

Frequently asked questions

London bus drivers are striking over concerns about working in high temperatures in their cabs, citing inadequate cooling systems and potential delays in air conditioning upgrades.

The strike involves drivers working for Arriva North London.

Drivers are concerned about excessive heat in their cabs, which they say can exceed 30C and lead to fatigue and health issues. They also fear that proposed air conditioning upgrades may not be completed by next summer.

Arriva stated that most garages accepted the proposed agreement and that they are investing in air conditioning upgrades, prioritizing the safety and well-being of their staff and customers.

What Happens Next

01Further strikes are planned for eight occasions during September and October.
02Arriva continues to seek feedback from Unite to understand remaining concerns at three garages.
CME Headlines
  • September 2026 Delivery Date Memo - Effective August 24, 2026
    24 Aug · 4:34 PM

How It Developed

Bus drivers reported excessive in-cab heat for years due to poor or faulty cooling systems.
Temperatures have often exceeded 40C during heatwaves, with concerns for future conditions.
Drivers' cooling systems have only reduced temperatures by 2C-3C, causing fatigue and health issues.
Unite union and Arriva North London reached an agreement, but some drivers rejected the offer.
,500 Unite union members across north London and Essex began a four-day strike.
Further stoppages are planned for the coming weeks and eight occasions in September and October.
Arriva stated that five out of eight garages agreed to the deal and they continue to seek feedback.
Arriva is investing in air conditioning upgrades for driver cabs across its London fleet.

Sources

T1
London bus drivers resume strike over heatwave working amid fears over air con dealThe Guardian

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