This book gathers the peer-reviewed papers presented at the 14th International Conference on Structural Analysis of Historical Constructions (SAHC), held in Lausanne, Switzerland, on September 15-17, 2025. It showcases the latest advances and innovations in the study and protection of historical and heritage structures. The conference topics covered a broad spectrum, including the history of construction and building technology; theory and practice of conservation; inspection methods; non-destructive techniques and laboratory testing; numerical modelling and structural analysis; management and conservation strategies for heritage structures; structural health monitoring; repair and strengthening techniques; vernacular constructions; seismic analysis and retrofitting; vulnerability and risk assessment; resilience of historic areas to climate change; durability; and sustainability. This book serves as an invaluable resource for historians, architects, conservation scientists, and engineers, offering a comprehensive overview of the state of the art in the protection of historical and heritage structures.