Discusses the uptake of the BSRIA publication TN 14/97 Improving site productivity. Quantifies and discusses the application of the 63 BSRIA best practice recommendations when applied to the following applications: Christ Church Court, Stansted Airport Terminal Extension, Vodafone headquarters, and LivingWell Health Club. Compares the relative uptake of the best practice recommendations. Concludes that those UK construction project teams that implement improvement strategies and actions in accordance with BSRIA best practice recommendations have realised significant improvements in site productivity. Section headings are: executive summary, background to the research, detailed project feedback, project comparisons.