Commute by bike, total time (round trip) is 1h30 door-door. 10 mins washing up time at each end and that's 1h50.

Commute by train, total time (round trip) is 1h30 door-door.

So it takes 20 mins extra by bike which is 1h40 per week. Benefits of commuting by bike are the fitness. Benefits of commuting by train is I get to read a book. Both are important things to me.