The study of physical and social divisions in divided societies has long been an area of study, such as the continued usage of ‘peace walls’ in Belfast, hostile architecture to prevent anti-social behaviour and rough sleeping, and the securitisation of private spaces. In the context of a new drive to create a smart district, this paper looks at the relationship between smart urbanism and planning, and at the spatial and social divisions between a new ‘gentrifying’ and well-educated community in the Dublin Docklands and established communities in the area. The Dublin Docklands redevelopment marks a significant break from a pattern of suburbanisation and inner-city decline and repurposes part of the former port area as a city centre extension...