Property assessment A dossier | 2 analysis | A case study A dossier Land and real estate economics: evaluating land value and property value gains 2 analysis Artificialization of soils: state of play of a complex challenge - Soil artificialisation: a concept in motion Les deux approches de l’évaluation foncière A case study METZ The Housing and Land Observatory: a useful tool for preserving green spaces and identifying sites for renaturation