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Slimline Aluminium Windows

Modern slimline aluminium frames for maximum glass area and natural light in your Kent home.

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Slimline Aluminium Windows

Slimline aluminium windows are the choice for anyone who wants to maximise natural light and glass area without the bulk of standard uPVC frames. The narrow profiles β€” some as slim as 25mm β€” mean dramatically more glass for the same opening, creating a cleaner, more contemporary aesthetic.

Available in any RAL colour, our aluminium windows feature thermally broken profiles that now match the energy performance of uPVC β€” with the added benefit of superior rigidity and longevity. Aluminium doesn't warp, expand or contract significantly with temperature, meaning better long-term seals and performance.

βœ… Ultra-slim profiles β€” maximum glazing area
βœ… A-rated thermal efficiency
βœ… Superior noise reduction
βœ… Any RAL colour β€” standard or custom
βœ… Casement, tilt & turn and fixed options
βœ… Corrosion resistant β€” ideal for Kent coastal areas
βœ… Made to measure
βœ… 10-year guarantee
Slimline Aluminium Windows Kent
Starting from (supply & fit)
Β£600

Per window. Free survey included. No-obligation quote.

Aluminium Window FAQs

Are aluminium windows as energy efficient as uPVC?
Modern thermally broken aluminium windows match uPVC for energy performance, achieving U-values of 1.4 W/mΒ²K or better β€” meeting building regulations. The thermal break is key β€” avoid older non-thermally broken aluminium frames.
Do aluminium windows rust?
No β€” aluminium forms a natural oxide layer that protects it from corrosion. Our windows also have a powder-coated finish that adds further protection and gives the colour its longevity.
How do slimline aluminium windows compare to standard uPVC?
The key difference is sightline width. Aluminium profiles can be 25–35mm wide versus 70mm+ for standard uPVC β€” significantly more glass area for the same opening, and a much cleaner aesthetic.

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