Despite the title, Channel 4’s Raj-era drama Indian Summers is filmed at the top of Penang Hill, in Malaysia. Here, among the butterflies, mosses and ferns, are the bungalows where colonialists came to escape the fierce heat of George Town below. When Paul Rutman, the series writer and creator, first saw these houses, he realised that they replicated what had been in his imagination all along: from the cottage with the white picket fence, where Dougie and Sarah live, to the old Crag hotel, transformed for the show into the Royal Simla Club, presided over by Julie Walters.