*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 Springside (Brooks Signature @ Springside) Kallang Development Pte Ltd Kallang Development Pte Ltd Tiong Seng Contractors (Pte) Ltd 90.8 100% 91.5
2019 Sol Acres MCL Land Ltd MCL Land Ltd Tiong Seng Contractors (Pte) Ltd 93.7 46% Excellent
2018 The Panorama Pinehill Investments Pte Lrd Pinehill Investments Pte Lrd Tiong Seng Contractors (Pte) Ltd 93.1 43%
2017 The Luxurie Keppel Land Ltd Keppel Land Ltd Tiong Seng Contractors (Pte) Ltd 92.8 48% Excellent
2017 Haus @ Serangoon Garden City Developments Ltd (CDL) Sparkland Holdings Pte Ltd Tiong Seng Contractors (Pte) Ltd 94.4 50% Merit
2017 Eco Sanctuary SP Setia International (S) Pte Ltd Sp Setia International (S) Pte Ltd Tiong Seng Contractors (Pte) Ltd 93.8 67%
2014 The Glyndebourne City Developments Ltd (CDL) City Developments Ltd (CDL) Tiong Seng Contractors (Pte) Ltd 97.0 98% Star