Incoherence and incompatibility in planning law

Purpose – The purpose of this paper is to analyse the obligations imposing localism and the presumption in favour of sustainable development in English planning law. Design/methodology/approach – The paper uses doctrinal analysis to examine section 38 PCPA 2004 and the NPPF to assess whether the obligations are coherent when considered as stand-alone obligations, and whether they are compatible when combined. Case law and the statutory provisions are examined to assess this. Planning theory is also examined to bring a multidisciplinary focus to the analysis. Findings – The paper concludes that there are problems with these legal obligations when considered as stand-alone obligations. There is imprecision over the meaning of key terms; the “presumptions” established do not operate as true presumptions; and there is an ambiguity as to the hierarchy of norms and the allocation of decision-making control. When combined, the incoherence increases. It is argued that this occurs thanks to underlying disagreement...