However, the definitions of solar rights can vary among different jurisdictions. In China, for instance, solar rights refer to the right of property or usufructuary owners to require their neighbors to limit the distances and/or heights of their buildings to obtain sunlight (People’s Republic of China 2007 ).
Based on an analysis of solar rights cases in China, solar rights disputes can be divided into two main categories: (1) changes in the internal structure of buildings affect the solar rights of residents, and (2) new buildings alter the spatial relationship between buildings, resulting in solar rights disputes.
The primary criterion of solar rights is determined by the sunshine time and geographical location of the property, while the position, building structure, and neighborhood are key indices used to calculate the solar rights of a given property.
The intentional integration of shading factors to limit solar gains through windows of glazed facades, considering the thermal needs of the spaces, is one of the most captivating passive techniques.
Overshadowing of solar panels is a significant factor in planning. The recent High Court ruling in William Ellis McLennan vs Medway Council and Ken Kennedy [2019] EWHC 1738 (Admin) has set a new precedent for planning and climate change law.
Discussion In this study, we address the spatiotemporal expression of solar rights, which requires consideration of both time and space dimensions. To this end, we introduce two parameters, namely sunlight duration and daylight factor, which represent the temporal and spatial dimensions of solar rights, respectively.
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