resumen | El crecimiento urbano contemporáneo adopta patrones fragmentados y escasamente densos. El proceso se ha tomado como norma general dentro de un modelo de Estado neoliberal, que lejos de restringir la expansión de lo urbano por ocupación del espacio rural, lo fomenta desregulando el uso del suelo no urbanizable. La ratificación de la participación estatal en la construcción de este fenómeno requiere el análisis de las herramientas que lo posibilitan. Así, utilizar una metodología que incluya el examen y comparación de cuerpos normativos se hace ineludible para revelar el grado de colaboración administrativa que, por acción u omisión, sustenta la producción de espacio residencial. Por lo tanto, el objetivo del presente estudio es corroborar la tendencia generalizada hacia la normativización de la ciudad difusa, que hoy se encuentra ampliamente respaldada en Chile, afianzado un estadio avanzado del proceso hacia el que España transita. palabras clave | expansión urbana, planificación urbana, relación campo-ciudad. abstract | Contemporary urban growth adopts fragmented and sparsely dense patterns. The process has been taken as a general rule within a neoliberal state model, which, far from restricting the expansion of the urban by occupation of the rural space, promotes it by deregulating the use of undeveloped land. The ratification of state participation in the construction of this phenomenon requires the analysis of the tools that make it possible. Thus, using a methodology that includes the examination and comparison of normative bodies becomes inescapable to reveal the degree of administrative collaboration that, by action or omission, supports the production of residential space. Therefore, the objective of this study is to corroborate the generalized tendency towards the normalization of the diffuse city, which today is widely supported in Chile, reinforcing an advanced stage of a process which Spain is beginning to experience. keywords | urban sprawl, urban planning, countryside-city relationship.

Given the incessant and clandestine proliferation of housing on the Undevelopable Land of Extremadura, Spain, and that administrative attention to this problem has been scarce, it is inevitable that urban geographers will turn away from the main focus of their study: cities. Thus, a methodology has been designed to discover housing irregularities in the countryside, and to quantify, locate, and date them. To do this, we have digitalized all urban planning in the region and performed sweeps on orthophotos at a maximum scale of 1:1500. Every single dwelling in the region has been detected using this method. The rurbanization in this region means that there has been a change in the urban model that has not been gradual. The fragile and weakened urban network of Extremadura has agglutinated a large part of the population, which has resulted in territorial emptying, but not in a stagnation of artificialization. In fact, the urban network has become increasingly dispersed and isolated because of residential growth outside the limits of Urban and Developable Land. In addition, this growth is eminently clandestine. The worrying results show us that there is an urgent need for the Administration to create and apply a Regional Plan for the Management and Control of Rurban Development.

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