For all London’s many positive points, it’s not the cheapest city in the world. But look beyond the usual tourist trail and you’ll find plenty of things to do for next to nothing, or even for nothing at all. Handy when you need to balance the cost of Tube travel with all those £5+ pints. Can you spend a couple of days in London having a nice time and seeing the sights without entirely bankrupting yourself? Absolutely – if you’re in the know. Here our local insiders share their favourite budget-friendly London activities.