Offsite construction is an approach to construction projects that seeks to move the construction process away from site and take advantage of efficiencies from manufacturing approaches and standardisation. It is portrayed as having the potential to improve the performance of the construction industry and deliver benefits on projects such as better predictability of cost and time, better quality construction, improved health and safety and a faster construction programme. However, there is minimal objective evidence-based research that quantifies these benefits in a consistent manner, with many studies and reports noting perceived benefits or opinions of stakeholders.