Of the 21 train that leave London for Cardiff every day 21 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

These direct train cover the 211 km distance in an average of 2 h 4 m but if you time it right, some train will get you there in just 1 h 59 m .

The slowest train will take 2 h 10 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.