Room service is most expensive in Moscow Paris, where the five items were found to cost £44.17, on average, was the second most expensive city, followed by Stockholm (£43.97), Oslo (£43.15) and Zurich (£42.90). A club sandwich in the Swiss city was shown to cost the most, on average - £18.67. Cape Town's hotels were found to offer the best value for travellers, followed by Sharm el Sheikh, Mumbai, Istanbul and Puerto Vallarta in Mexico. A recent study into the average cost of hotel rooms during 2012, carried out by the website Hotels.com, found that Monte Carlo was the world's costliest destination, with a double room priced at £200 per night on average. Room rates in London were priced at £110 per night, on average, last year. Average cost of room service Most expensive cities for room service Total cost of five items* Cheapest cities for room service Moscow Cape Town Paris Sharm El Sheikh Stockholm Mumbai Oslo Istanbul Zurich Puerto Vallarta Helsinki Budapest Tokyo Sofia Singapore Jakarta New York Marrakech Brussels Taipei Items were a club sandwich, peanuts, a bottle of water, a can of coke and a mini bottle of vodka, and the dry cleaning of one shirt. Click here to read the full report.