The cost of new French doors varies significantly based on many factors such as the material, design, level of customization, and the region where you’re purchasing. On average, for basic patio doors, you might expect to pay anywhere from $1000 to $4,700. Remember, these are average prices and there might be additional for installation, hardware, or if you’re opting for energy-efficient or specialized glass types. The timeless look will pay off in the long run!