Buildings during their service life are subject to dilapidation, obsolescence, deterioration and change and hence require constant upkeep on a daily basis and/or specific adaptation to change the functionality or improve the performance of the building. For this reason the constant and up-todate flow of information about a building is crucial. However, data collection is just part of a successful post-occupancy practice. What is more important is how the data, information and knowledge are retrieved and packaged to provide the most effective support for making decisions.In the UK, education up to tertiary level is the direct responsibility of the central government and takes remarkable efforts, consuming a significant amount of their annual budget. Capital investment fund for schools was £683 million in 1996-97, £3.8 billion in 2003-04, and £8.2 billion in 2010-2011. This paper reports on partial findings of a research project on post-occupancy design in school projects in South East England. It provides a brief review of key factors, and major players in postoccupancy processes. The decision processes will then be established. It also investigates the relationship between the stakeholders and how this impacts the decision processes. A quick review of Decision Support Systems (DSS) will be provided to correlate the existing context with the means the toolkit will be utilising to offer the most efficient platform to serve the set target of the research. The main contribution of this paper however, remains to be how the collaborative processes were streamlined for all the stakeholders to work together and co-create knowledge and value to devise a platform.