The project toolkit is intended for use by project teams and their clients throughout a project from its inception to completion to assist them optimise the benefits of standardisation and pre-assembly (S&P). It will help them assess the opportunities for using S&P, to identify the key project drivers and constraints and thus develop a strategy of options and actions at different stages of the project, and to measure the outcomes. Introductory background information provides an understanding of S&P for those unfamiliar with these concepts. The project toolkit is vital for clients seeking to improve their construction projects in terms of cost, speed, predictability and quality. It will also be of benefit to all construction industry professionals seeking to utilise appropriate methods, systems and processes to implement and improve construction projects.