The crucial information is in the small print though:
"(The index is based on cost of living expressed in US dollars. Therefore, if the dollar weakens against the local currency of a city, the city becomes more expensive and moves up the index, even if prices expressed in local currency remain the same or even go down.)"
London is now over 25% cheaper in dollar terms than in the summer.
"(The index is based on cost of living expressed in US dollars. Therefore, if the dollar weakens against the local currency of a city, the city becomes more expensive and moves up the index, even if prices expressed in local currency remain the same or even go down.)"
London is now over 25% cheaper in dollar terms than in the summer.