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This paper explores explanations for possible causative patterns and suggestions for strategies to compress the construction durations of various types of building projects, on the basis of the lessons learned from recent Hong Kong-based surveys and research findings. A review of the literature from different countries is first provided — on the factors affecting construction durations, reasons for project delays and existing statistical models for duration forecasts. This is followed by the presentation of a regression-based model — developed from Hong Kong public housing construction project data — for predicting the durations of the primary work packages in the building process and the overall completion period. Finally, the principal survey results of three parallel investigations which sought out the critical contributors to faster construction in Hong Kong within each of three different building sub-sectors — public …