A city becomes theoretically consequential when it is permitted to contradict the concepts through which it is first observed. The enduring asymmetry of urban studies has not been simply that African cities were underrepresented, but that they were frequently positioned as empirical deviations from theories generated elsewhere: sites of informality, infrastructural deficit, incomplete modernity or delayed development whose explanatory grammar arrived in advance. Vanessa Watson’s “clash of rationalities” makes the epistemic structure of this problem visible. Planning systems built from techno-managerial, marketised and often inherited institutional forms encounter populations whose livelihoods, spatial practices and survival strategies operate through different rationalities; the resulting conflict cannot be understood as a temporary failure to implement an otherwise universal planning model.
The encounter reveals the model’s own provinciality. Edgar Pieterse extends this challenge by refusing to replace one total explanation with another. African urbanism, in his account, requires technically oriented policy knowledge, political-economic critique and ethnographic attention to everyday life to remain in productive tension because each sees processes that the others obscure. Jennifer Robinson converts that tension into comparative method. Her global urbanism does not ask how far one city approximates another, but how concepts can be produced across difference while retaining the located conditions from which insight arises. Comparison becomes generative when it allows a case to revise the category rather than merely populate it. This distinction is visible in environmental evidence as well. Simwanda, Ranagalage, Estoque and Murayama compare surface urban heat across Lagos, Nairobi, Addis Ababa and Lusaka using a common remote-sensing framework, yet the analytical value lies precisely in the differences that survive standardisation. Lagos is warmer under a far higher proportion of impervious surface; Nairobi combines lower imperviousness with greater green-space coverage and cooler temperatures; the spatial relations among heat, vegetation and urban form diverge across the four cities. A continental category does not explain these differences. It makes them easier to overlook unless comparison is explicitly designed to retain morphology, climate and spatial configuration as active variables. Okyere and colleagues make the same point through mobility. In Accra, high levels of walking do not indicate a highly walkable city. The figure of the captive walker exposes the conceptual error: a behavioural indicator that might signify healthy choice or successful public-realm design elsewhere can signify infrastructural necessity, risk and exclusion in a low-income neighbourhood. Participatory mapping, interviews and lived accounts therefore do more than supplement missing datasets. They alter what the object called “walkability” means. The urban category becomes situated through the people whose practices produce it. Anderson, Brown-Luthango, Cartwright, Farouk and Smit institutionalise this epistemic position in Cape Town’s CityLab programme, where knowledge is brokered between academic disciplines, government and practice. Their reflection is especially important because it treats co-production not as frictionless inclusion but as difficult organisational labour shaped by micro-politics, disciplinary languages, funders, leadership biographies and the material spaces of collaboration. Knowledge acquires geography twice: first through the city being studied and again through the institutions that decide which accounts of that city can circulate. Odendaal’s situated smart initiatives carry the argument into digital urbanism. African platform practices around mobility, food security, social mobilisation and public culture are not deficient approximations of a fully integrated smart-city ideal; they are socio-technical formations whose hybridity, trust relations and infrastructural contingencies can force the ideal itself to change. Across these works, the African city is not valuable because it supplies exotic complexity to established theory. It becomes a site from which the procedures of theorisation, comparison, measurement and planning are reorganised. The key epistemic principle is irreducibility: a city can enter comparison without surrendering the conditions that make its evidence specific.
Socioplastics can make this irreducibility computationally and archivally operative by changing what a comparative knowledge graph is expected to do. A weak graph produces universality by stripping context from nodes until relations become easy: “green space” links Lagos to Nairobi, “walkability” links Accra to Copenhagen, “smart city” links Freetown to Barcelona, and “participation” links Cape Town to any city with a workshop. A stronger graph records the conditions under which those terms become meaningful. Green space must carry climate, morphology, imperviousness, distribution and sensing method; walkability must distinguish elective movement from captive mobility, formal provision from lived safety, geometric accessibility from social necessity; co-production must retain who convened it, who funded it, who could speak, what institutional channels existed and whether local knowledge could alter the frame of the problem; smart urbanism must preserve the infrastructural discontinuities, platform practices and governance relations through which technology actually operates. Such a graph does not prevent comparison. It makes comparison more rigorous because relational similarity no longer requires ontological sameness. Robinson’s injunction to theorise from anywhere becomes an indexing architecture: every node can potentially modify the conceptual field rather than simply inherit a hierarchy established elsewhere. Watson’s clash of rationalities becomes a relation between competing knowledge regimes rather than a paragraph in a regional bibliography. Pieterse’s epistemological tension becomes a rule against collapsing policy, political economy and lived experience into a single explanatory layer. The CityLab becomes an infrastructural object connecting institution, method, actors and place. Accra’s walking studies become evidence that identical descriptors can contain different causal and political structures. The four-city heat comparison becomes a model for bounded comparability: common variables support relation while city-specific environmental configurations remain explicit. This is also the correct architecture for FieldEco’s city bibliography packs. Five sources per city should not merely prove that local literature exists; they should establish a minimum epistemic field around urban history and form, ecology and landscape, governance, lived space and current policy or intervention, allowing each city to resist being reduced to one headline variable. In that sense, non-homogenisation is not a rhetorical commitment to diversity but a technical discipline of knowledge organisation. Provenance, authorship, scale, positionality, urban condition, evidence type and conceptual operation must remain attached to every claim as it travels. Comparative knowledge can then accumulate without creating a new universal centre. The city becomes simultaneously local evidence and a possible source of abstraction; abstraction remains legitimate only while it can be reopened by another city. The graph gains power not by eliminating difference but by making difference relationally productive. Within Socioplastics, this redistribution of conceptual authority condenses as RegimeMutation.
Anto Lloveras is an architect and urban researcher whose work connects urbanism, spatial epistemology, comparative methods, public knowledge infrastructures and archives through LAPIEZA LAB and Socioplastics.
Anderson, P.M.L., Brown-Luthango, M., Cartwright, A., Farouk, I. and Smit, W. (2013) ‘Brokering communities of knowledge and practice: Reflections on the African Centre for Cities’ CityLab programme’, Cities, 32, pp. 1–10. https://doi.org/10.1016/j.cities.2013.02.002.
Odendaal, N. (2023) Disrupted Urbanism: Situated Smart Initiatives in African Cities. Bristol: Policy Press.
Okyere, S.A., Frimpong, L.K., Mensah, S.L., Oviedo, D., Amoako-Sakyi, R.O., Nieto-Combariza, M.J. and Kita, M. (2023) ‘Planning for walkable cities in Africa: Co-producing knowledge on conditions, practices, and strategies’, Societal Impacts, 1, 100005. https://doi.org/10.1016/j.socimp.2023.100005.
Okyere, S.A., Frimpong, L.K., Boateng, F.G., Mensah, S.L., Oviedo, D., Abunyewah, M. and Kita, M. (2024) ‘Walking cities that are (un)walkable: Exploring everyday lived realities in low-income neighbourhoods in Accra’, manuscript.
Pieterse, E. (2009) Exploratory Notes on African Urbanism. Cape Town: African Centre for Cities, University of Cape Town.
Robinson, J. (2021) ‘Comparative urbanism and global urban studies: theorising the urban’, in Lancione, M. and McFarlane, C. (eds.) Global Urbanism: Knowledge, Power and the City. London: Routledge.
Robinson, J. (2022) ‘Introduction: Generating concepts of “the urban” through comparative practice’, Urban Studies, 59(8), pp. 1521–1535. https://doi.org/10.1177/00420980221092561.
Simwanda, M., Ranagalage, M., Estoque, R.C. and Murayama, Y. (2019) ‘Spatial analysis of surface urban heat islands in four rapidly growing African cities’, Remote Sensing, 11(14), 1645. https://doi.org/10.3390/rs11141645.
Watson, V. (2009) ‘Seeing from the South: Refocusing urban planning on the globe’s central urban issues’, Urban Studies, 46(11), pp. 2259–2275. https://doi.org/10.1177/0042098009342598.
