Luxurious property in London: average price per square foot 2015 and 2017

The data shows the average price per square foot of ultra prime residential property in St John's Wood and Mayfair boroughs of London as of June 2015 and January 2017. As of January 2017, the average price per square foot for the luxurious property in Mayfair came to approx. 3.9 thousand GBP. Mayfair topped the European price list for average price per square foot as of the start of 2017.