Here’s how to see the best of the costly capital without breaking the bank Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Announcing an upcoming trip to London is now met with the same shriek as a city break in Switzerland – “it’s soo expensive”. True, with its costly