Greater Accra's new urban extension at Ningo-Prampram: urban promise or urban peril?

New private property investments in Africa's cities are on the rise, often manifested as comprehensively planned urban extensions. Greater Accra has several competing city projects under development, potentially launching new city-making trajectories and competitive struggles among rival projects. This article assesses the rationale and early evolution of Ghana's largest, most ambitious project the Ningo-Prampram Urban Extension, aiming to accommodate 1.5 million people. Supported by UN-Habitat, international consultants, government, and local Chiefs, the constellation of actors supports a public-private partnership to engage in urban entrepreneurialism, underpinned by sustainable development features and promising increased global connectivity. However, this project raises socio-spatial contradictions with regard to how affordable housing, an airport city and other developments can augment Accra's development. Global economy articulation as well as intra-city connectivity is promised but at its peril it amplifies sprawl so that the Accra City Region evolves into a string of beads along the Trans-West African Highway.