Verified: 11 March 2026 04:45 pm UK Time
Industry: Online Train Ticket Retailer
Jurisdiction: United Kingdom
Primary Regulators: Office of Rail and Road (ORR) & The Rail Ombudsman
Important Safety Warning: Beware of fake customer service numbers on search engines. Only use official channels. Scammers frequently buy ads to promote fraudulent phone numbers. Trainline staff will never ask for your account PIN, your portal password, or ask you to move money to a “safe account” over the phone to process a refund.
Level 1: Customer Support (Initial Complaint)
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How to complain: Because Trainline is a digital-first retailer, they do not offer a general inbound customer service phone line for complaints. You must raise an initial complaint directly through your online account, via their online Complaints web form, through their Live Chat, or via WhatsApp.
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Online: Log into your Trainline app or dashboard to use the Live Chat or submit a web form.
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Source Verification Note: Trainline Help Centre
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Availability: The online web forms are available 24/7. Live Chat and WhatsApp agents operate 7 days a week from 8:00 AM to 10:00 PM (UK Time).
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Timeline: Trainline aims to respond to general complaints within 7 days.
Level 2: Formal Corporate Escalation (Notice of Dispute)
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Who to contact: If standard customer service cannot resolve the issue, you must formally escalate it. Send a written letter detailing your booking reference, a timeline of the issue, and your desired resolution. You must explicitly request a “Deadlock Letter” if they refuse your proposed resolution. Sending this via Royal Mail Signed For is highly recommended to prove receipt, as digital retailers often ignore web forms at this stage.
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Complaints Address: Customer Service Department, Trainline.com Limited, 120 Holborn, London, EC1N 2TD
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Timeline: Under ORR regulations, Trainline has a maximum of 40 working days (8 weeks) to issue a final resolution or a Deadlock Letter.
Level 3: Regulatory Authority (Government Ombudsman)
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Authority: The Rail Ombudsman
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Portal/Contact: The Rail Ombudsman is the ORR-approved, independent dispute resolution service for Trainline complaints in the UK. You can submit a complaint online or by phone:
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Website: railombudsman.org
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Phone: 0330 094 0362
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Timeline (CRITICAL): You can only refer your complaint to the Rail Ombudsman after you receive a Deadlock Letter from Trainline, OR if 40 working days (8 weeks) have passed since your initial formal complaint without a resolution. You must escalate the complaint to the Rail Ombudsman within 12 months of receiving your Deadlock Letter.
Level 4: Legal Action (Final Step)
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Pre-Litigation: Before commencing legal proceedings, UK legal protocols require you to send a formal “Letter Before Action” (LBA) to Trainline’s corporate legal headquarters. This letter must outline your claim, the exact legal or contractual breach, the evidence, and the financial remedy you seek, giving them a final 14 to 30 days to settle.
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Legal Address: Trainline.com Limited, 120 Holborn, London, EC1N 2TD, United Kingdom
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Court: If the LBA fails and the Rail Ombudsman cannot resolve it, you can file a lawsuit. For financial claims up to £10,000 in England and Wales, you can use the Money Claim Online (MCOL) portal to enter the Small Claims Track. For complex claims, you will likely need to instruct a solicitor and proceed to the County Court.
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Source Verification: Make a court claim for money (GOV.UK)
Community Action: Is Trainline still ignoring your refund request or charging unfair booking fees? Reply below (do not share your passwords, full booking references, or PINs), and our community will point you to the right Rail Ombudsman complaint templates!