It’s important to consider that uPVC, aluminium and composite materials are different in not only their appearance but their inherent characteristics. For example, many consider the slender frames of aluminium doors better suited to contemporary homes whilst you’ll find that uPVC is the most cost-effective of the three materials.
Composite doors are also some of the most secure and efficient you’ll find but they’re only available as front or back doors. They do, however, all make excellent door materials so you can guarantee that either option is a good one for your home.