Data are computed using stratified hedonic regression method. The sum of values of transactions from Q1 2014 to Q1 2015 is used as weights to compute the index. Prior to 3Q 2016, data are compiled based on transaction prices given in contracts submitted for stamp duty payment and data provided by licensed developers on new units sold. From 3Q2016, net prices of units sold by de-licensed developers are included as well.
For more data, please refer to Private Residential Property Price Index By Type Of Property, (1st Quarter 2009 = 100), Quarterly.