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14 October 2026

PVC or Aluminium? What You Need to Know When Choosing Windows

We compare PVC and aluminium windows in terms of insulation, durability, appearance and budget. Make the right choice for your home.

Living room with large windows (sample image)

Whether you’re moving into a new home or replacing old windows, the most common question is: PVC or aluminium? Both systems have their strengths; the right choice depends on where they’ll be used and what matters most to you.

Thermal and sound insulation

PVC profiles naturally insulate well thanks to their multi-chamber design. With aluminium, you need to choose thermally broken (insulated) profiles for high insulation performance.

Appearance and large glazed areas

Aluminium profiles are slimmer and stronger, making them ideal for large sliding doors, corner glazing and modern facades.

Humidity and climate

Neither material rusts in humid or salty coastal air. What really matters is quality hardware and correct installation.

Conclusion

  • If budget and insulation are your priorities: PVC
  • If you want large glazing, slim profiles and a modern look: thermally broken aluminium

Still undecided? Contact us for a site survey; we’ll see your space and recommend the system that suits you best.

Get a quote for your project

Let’s choose the right system together; we’ll take measurements and give you a clear price.

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