Inherent complexities and high strategic impacts of public private partnership (PPP) projects call for careful team selection methodologies. While project-specific selection methodologies have been previously developed, it is shown that there is now a clear need for an integrated approach, which for example ties in Past Performance Scores on technical, sustainability and relational criteria into a unified framework for decision-making. This paper proposes such a framework. The first phase of the validation of this framework was carried out using a Delphi-type survey of industry and academic experts. The findings indicate a high consensus among experts on the suitability of the basic framework for further development. Following expansion and full operationalisation of the technical, sustainability and relational components, the developed framework will again be conceptually validated before recommending it for field testing and implementation.