Ranked: The world's most expensive cities to build a home

London has lost 10% of its high net worth population over the last ten years, pushing the UK capital down to fifth place on a list of the world's most millionaire-heavy cities.

Aspen in Colorado is the No.1 ski destination for luxury property, according to the latest Savills analysis, while Val d’Isère is "the one to watch" in the year ahead.

Across the 173 cities analysed by the Economist Intelligence Unit, cost of living prices have risen by an average of 7.4% in the last year.