Whether you’re dangling your leg in a lake from an inflatable boat while watching Jaws on the big screen, or clambering through a wardrobe of old, musty coats before viewing The Lion, The Witch & The Wardrobe in some quirky venue, outdoor and secret cinemas have never been more popular. However, if scorching temperatures and the call of the barbecue have you more inclined to stay home, then why not set up your own garden cinema? They’re fun, sociable and not just for summer, either