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.