Invisible Labour reveals the hidden work that makes architecture possible. Instead of focusing on finished buildings, the book highlights the often overlooked tasks that keep our built world standing and evolving. Moving across three scales—data, environment, and construction—it uncovers the human effort behind design, from the masons of Brunelleschi’s Dome to the “Harvard Computers” who mapped the stars, and from managed forests to the collaborative making of postwar housing. Through original essays and curated archival material, the book offers a new way to understand design in an age shaped by climate pressures and digital systems. It argues that the future of architecture depends on recognizing, valuing, and caring for the labour—both technical and social—that already sustains the spaces around us. By bringing this unseen work to light, Invisible Labour invites readers to rethink how buildings come to be and what it takes to keep them standing.