London Heatwave Train Disruptions: Full List of Affected Services & Travel Advice (2026)

London's rail network is facing unprecedented challenges due to the ongoing heatwave, with multiple operators issuing travel warnings and disruptions. The extreme heat has led to a series of cancellations, speed restrictions, and travel advisories, affecting commuters across the city. Here's a breakdown of the situation and the impact on various rail lines serving London.

Avanti West Coast

Avanti West Coast is implementing temporary travel easements to ensure customer comfort. This includes reduced train services on Thursday and Friday, with a risk of further disruptions. Passengers are advised to use tickets on other Avanti services without additional costs.

c2c

The c2c operator is urging passengers to travel only if necessary and recommends an early start to avoid the heat. Several cancellations are in place, including multiple trains between London Fenchurch Street and Southend Central, Pitsea, Grays, and Shoeburyness. Speed restrictions between Benfleet and Pitsea may cause delays of up to 20 minutes.

Chiltern Railways

Chiltern Railways is running an amended timetable on Thursday and Friday to ensure safety. The service will be significantly reduced, with fewer than 50% of normal trains operating between Birmingham and London Marylebone, Oxford and London Marylebone, and Aylesbury and London Marylebone (via Amersham). Passengers are strongly advised to avoid travel if possible.

East Midlands Railway

East Midlands Railway has introduced temporary travel easements and advises customers to travel before 12 pm when temperatures are cooler. All tickets for Wednesday and Thursday can be used on earlier services on the same day or on any service on Friday, June 26, without extra charges. Refunds are available for those who no longer wish to travel.

Great Western Railway

GWR is urging customers to travel only if necessary on Wednesday and Thursday due to speed restrictions. The network will operate an amended timetable, with services revised to terminate at Reading or run non-stop between Reading and London Paddington. Trains will not call at Slough, Maidenhead, or Twyford on the main line route. Tickets can be used on Elizabeth line services between Reading and London Paddington or on GWR services between Reading and London Paddington.

London Northwestern Railway

London Northwestern Railway advises essential travel only on Wednesday and Thursday. A reduced service will be in operation across the network, with one train per hour between Birmingham New Street, Northampton, and London Euston, and two trains per hour between Milton Keynes Central and London Euston. Services starting and terminating at Tring will be canceled.

LNER

LNER strongly recommends against travel on Wednesday and Thursday. Network Rail may introduce speed restrictions, increasing journey times and reducing the number of operating train services. Customers traveling on Tuesday are advised to travel before 12 pm, and those with tickets for Wednesday or Thursday can use them for free on Tuesday, June 30. New seat reservations can be booked without charges.

South Western Railway

South Western Railway customers are advised to travel only if absolutely necessary on Wednesday and Thursday. Reduced train services are expected, with longer journey times and busier conditions. Tickets for all three days can be used for free on Friday, June 26.

Southern

Southern trains running between East Croydon and Watford Junction in either direction will be canceled on both Wednesday and Thursday afternoons, affecting all trains from 12 pm until the end of each day. Imperial Wharf, West Brompton, Kensington (Olympia), Shepherd's Bush, Wembley Central, Harrow & Wealdstone, and Watford Junction will not be served by Southern trains. People traveling to or from these stations after 12 pm can use their tickets on other services.

Heathrow Express

Heathrow Express is running a reduced service on Wednesday due to severe weather. Trains will depart at specific times from London Paddington and Heathrow Terminals 5, 2, and 3.

Gatwick Express

Gatwick Express services between London Victoria and Brighton will be suspended from early afternoon until the end of service on both Wednesday and Thursday. The last services in each direction are the 12:29 from London Victoria towards Brighton and the 12:39 from Brighton towards London Victoria.

The heatwave has caused significant disruptions across London's rail network, with multiple operators taking precautionary measures. Passengers are urged to plan their journeys carefully, considering the reduced services and potential delays. As the heatwave continues, further travel advisories and disruptions are expected, highlighting the need for commuters to stay informed and adapt their travel plans accordingly.

London Heatwave Train Disruptions: Full List of Affected Services & Travel Advice (2026)
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