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Historic urban layouts influence subsequent development, but this is rarely acknowledged by planning strategies. This paper analyses the urban transformation of three residential blocks in Brisbane, Australia from initial delineation to 2023. Findings outline three key messages for policymakers seeking to redevelop low density residential areas to higher density. First, upzoning results in little residential densification in small, inner-city lots. Second, owners maximise individual gains through home modifications that make existing houses larger, potentially decreasing affordability. Finally, only large, house lots experience conversion to apartment buildings. Findings highlight the place-based nuance of city-wide densification strategies, and the importance of urban morphology.
Rachel Gallagher (Tue,) studied this question.