How the DGT's position has evolved
Current position
The exemption under Article 20.Uno.20º of Law 37/1992 applies to non-buildable land as long as it is not undergoing urbanization. It is considered to be undergoing urbanization only when physical transformation works or the provision of infrastructure (access, water, energy, etc.) have commenced. The mere fulfillment of administrative procedures or the assumption of costs without physical works is not considered to be undergoing urbanization.
The DGT's position remains constant regarding the definition of land undergoing urbanization, focusing on the execution of physical works. Throughout the rulings, it has been specified that the status of urbanization depends on physical transformation and not on administrative management. The doctrine confirms that the absence of physical works maintains the exempt nature of the transfer.
Turning points
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Clarifies that the status of undergoing urbanization is determined by the commencement of physical transformation works and not by the completion of administrative procedures.
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Specifies that the material urbanization process requires the commencement of infrastructure provision works such as access, water, or energy.
Analysis based on 8 of 8 rulings with a stated position. Updated 1 October 2026.