Geoffrey Allen

About the Author

Geoffrey Allen is a distinguished expert in historical building materials and conservation techniques, with decades of hands-on experience in masonry restoration across Europe and North America. A former architect turned author, he has dedicated his career to preserving the architectural heritage of ancient structures, blending practical knowledge with scholarly insight. Allen's work emphasizes sustainable and authentic methods for repairing stone, brick, and block masonry, drawing from his extensive fieldwork on cathedrals, castles, and period homes. His accessible writing demystifies complex processes, making them invaluable for professionals, historians, and enthusiasts alike. Through his publications, Allen advocates for the revival of traditional lime-based mortars to ensure the longevity of our built environment.