Central bank (Bank Indonesia/BI) said based on survey the prices of residential property, mainly for prime market, shows an upside trend, for 1.42% quarter-on-quarter (q/q) in the first quarter (Q1) ended March 31, 2018. In previous quarter, the figure only rose 0.55%. The price hike occurs in all types of houses mainly small house, with strongest hike occurs in Surabaya city, East Java.