Advance Tickets Terms and Conditions | National Rail
If you need to change the day or time that you are travelling, you can amend your ticket right up to the time your journey is due to begin. You will be charged £10 to change your ticket and you will also be charged for any difference in price between your ticket and the new ticket.
Advance tickets are non-refundable, unless your train is delayed or cancelled and you choose not to travel.
If you purchased your ticket through the Grand Central website, please call 0345 603 4852 to amend your journey. If your tickets have been collected, please return them to the below address with a covering letter outlining your request.
Grand Central Refunds
PO Box 6615
Arbroath
DD11 9AQ
Please note that a £10 admin fee per ticket will be charged for ticket amendments.