This is a great chart with lots of information – Click on the Image below
http://www.economist.com/blogs/dailychart/2011/11/global-house-prices
Global House Prices – Graphically Presented
Kam and Yogesh Dahya
This is a great chart with lots of information – Click on the Image below
http://www.economist.com/blogs/dailychart/2011/11/global-house-prices
Team Dahya 
This chart is still active. Have a look at http://www.economist.com/node/21540328