An Evaluation Tool of Public–Private Conveniences in the Definition of Urban Planning Variants

The economic convenience of urban transformation interventions carried out as derogation of existing urban planning instruments is subject to the determi-nation of the “higher value” generated by the urban planning variant. Aim of the work consists in the development and testing of a procedural protocol for supporting the municipal administrations for the “higher value” assessment, according with the provisions of the Italian D.P.R. no. 380/2001, art. 16, paragraph 4, letter d-ter).The protocol’s effectiveness is tested through an application to a case study located in the city of Taranto (Italy). The research intends to provide a tool that integrates the assessment methodology with the normative regulations provided by the national and regional legislator. The results obtained highlight the efficiency and usefulness of the proposed protocol of evaluation.