No refund is available on Advance tickets as per terms and conditions of your ticket (where you must specify the date and time you will travel at the time of purchase).
if you have booked a Peak, Off-Peak or Anytime (not Advance) ticket online with us, apply for a refund only by following these steps:
If you wish to apply for a refund for Advance tickets purchased online with us, please print out and complete our refund form. Then return it and your tickets by post to:
LNER Refunds,
PO BOX 1259,
Crawley,
RH10 0JR
Telephone: 03457 225 333