For one weekend every month, it’s possible to bungee jump next to the O2, thanks to UK Bungee Club. The roughly 50m jump is over an air bag, rather than the Thames, so no fear of getting a mouthful of London’s finest. It’s £75 to go it alone, or £150 for a tandem, but the jumps do tend to get booked up a few months in advance, so once you’ve summoned up the courage, go ahead and book straight away