Windows & Glazing

Are uPVC windows better than aluminium?

Published 2 Jun 2026

What this video covers

Are uPVC windows better than aluminium?

Neither wins outright. uPVC is cheaper and slightly better at keeping heat in; aluminium is stronger, slimmer and lasts longer. The best choice depends on your priorities.

In this video

  1. 0:00 The short answer
  2. 0:17 uPVC wins on price and warmth
  3. 0:32 Aluminium wins on strength and slim frames
  4. 0:47 Both can hit top energy ratings
  5. 1:01 What this means for you