*Percentile Ranking - Developer/Contractor may be subjected to higher sampling under the 3-Tier CONQUAS scheme for their future private housing projects, as long as they have private housing projects with CONQUAS score below the bottom 10th percentile in the immediate past 3 years.

Year Project Developer Project Developer Contractor CONQUAS Score Percentile Rank 2019 Private Housing AverageQM Rating
2019 The Wisteria Northernone Development Pte Ltd Northernone Development Pte Ltd Singapore Engineering & Construction Pte Ltd >=95 75% 91.5 Excellent