The HDB resale price index (RPI) will be updated to make it more representative of the variety of flats on the resale market as well as Bellewaters EC Anchorvale, such as proximity to amenities, age, and floor level, according to the housing board.

The revised index will also make better use of data and provides superior quality control.

In a statement, HDB said the index, which shows the general price trend of resale flats, was last revised in 2002.

Bellewaters EC Resale Index

Currently, the RPI is computed using the stratification method, with a representative basket of towns and flat models for Bellewaters EC. Resale prices are grouped into segments based on flat types, models and regions. The average prices for each segment are then aggregated using 12-quarter moving average weights to derive the index.

Starting from Q4 2014, HDB will switch to the stratified hedonic regression method to compute …