On the UK National Rail network in 2026, the standard luggage allowance is quite generous: you can typically take up to three items of personal luggage free of charge. This generally consists of two large suitcases (up to 30 x 70 x 90 cm each) and one smaller item of hand luggage (like a backpack or briefcase). There is no formal weight limit, but the "golden rule" is that you must be able to carry and lift your luggage safely by yourself without assistance from staff. Unlike airlines, there are no check-in counters; you are responsible for stowing your own bags in the overhead racks, under the seats, or in the dedicated luggage stacks at the ends of the carriages. However, there are exceptions: budget operators like Lumo have stricter policies, limiting passengers to one medium suitcase and one small bag to ensure cabin comfort. Additionally, if you are traveling with a bicycle, you must often book a specific "cycle space" in advance, as unreserved bikes may be refused during peak hours. For oversized items like surfboards or skis, it is best to check with the specific train operating company (TOC) before travel to ensure there is an accessible "guards van" or storage area available.