Drawing on project experiences over a thirty-year period and academic literature, this paper focuses on the question: what has worked in slum upgrading in Africa? We find that efforts to regularize land titles to confer de jure security of tenure have not been encouraging. By contrast, infrastructure investment efforts have performed better—they have conferred de facto security of tenure and also ameliorated living conditions. Over time project-based learning and microlevel innovations have helped improve upgrading performance. To create broader and sustainable benefits, however, upgrading needs to go to scale. We propose an upgrading strategy with the following elements—a programmatic approach that links slums to citywide systems, is channelled through government, and combines a community-demand and participation approach with supply-side constraints and rules of access.
What constitutes a`slum' is much debated in the urban poverty and affordable housing literature. We argue that a focus on living conditions can help clarify this and present a framework, the living conditions diamond, for detailing living conditions and determining how the settlements we deem`slums' compare with each other and with nonslum settlements. The diamond distils living conditions into four dimensions: (i) tenure, (ii) infrastructure, (iii) unit quality, and (iv) neighbourhood and location. This framework depicts conditions in graphic terms enabling comparison of conditions within and across cities. The diamond moves us beyond the notion that slums are homogeneously poor in quality, and facilitates analyses that can reveal why they differ. Settlements in Nairobi, Kenya and Dakar, Senegal are compared.
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