Make sure you check visa requirements BEFORE reaching the airport and being told to go back to the embassy to sort it out and come back for a later flight.
It’s too damn hot, and the gates so far. Consider bringing a change of shirts in your hand luggage, as you may get sweaty before even boarding. Awful airport
It's a dreadul place, so much walking. The bus stops at North terminal are miles from the entrance so go to S terminal & use shuttle train. At least you'll be under cover.
Gatwick Airport is the eighth busiest airport in Europe and until March 2017 had the world's busiest single-use runway, with a max. of 55 aircraft movements per hour. It serves more than 200 destinations (more than any other UK airport) in 90 countries for more than 46 million passengers per year.