Building a 30×50-foot metal workshop (1,500 square feet) can cost anywhere from $30,000 to $70,000 CAD or more, depending on the design, insulation, foundation requirements, and local permit fees. Prefab kits are typically more affordable, starting around $20–$40 per square foot, while fully custom builds with upgraded finishes, electrical work, and interior walls can push the total higher. Always get a detailed quote to see what’s included before starting.