The Post-Political Concept has, nominally, very high explanatory value. It neatly and plausibly ascribes a raft of structural and governance changes in urban policymaking in recent years to a neoliberal consensus that forecloses dissent and public engagement. However, the definition of the ‘political’ the concept relies upon and the lack of empirical observation of the theory have led to criticism. In choosing a case study which, at face value, represents a typecast Post-Political policy (London’s Urban Greening Factor), this study challenges the concept. Building an analytical framework that establishes three key dimensions of the Post-Political, the study operationalises the concept through interviews with built environment professionals, directly bridging the gap between theory and practice