
Minimalist Profiles
Ultra-slim frames that maximize glass area and natural light while maintaining exceptional strength.

Modern, slim-framed windows with exceptional strength, thermal performance and minimal maintenance
Aluminium windows feature ultra-slim frames that maximise glass area and natural light, with exceptional strength and a lifespan of 40+ years. Average cost: £600–£1,500 per window installed. Modern thermally broken aluminium achieves U-values below 1.4 W/m²K with minimal maintenance. Harrington Windows installs bespoke aluminium windows across London, Hertfordshire, Essex, and Cambridge with a 10-year guarantee.
Aluminium windows combine sleek aesthetics with outstanding performance. Their slim profiles maximize glass area for abundant natural light, while providing exceptional strength and durability.

Ultra-slim frames that maximize glass area and natural light while maintaining exceptional strength.

Available in a wide range of colors and finishes to perfectly complement your home's design.

Built to last with corrosion-resistant materials that won't warp, rot, or fade over decades of use.
Our aluminium windows are designed to provide the perfect balance of performance, aesthetics, and longevity.
Aluminium frames offer exceptional structural integrity, allowing for larger glass panes and slimmer profiles.
Clean lines and contemporary aesthetics make aluminium windows the perfect choice for modern homes and architectural projects.
Our thermally broken aluminium windows provide excellent insulation, keeping heat in during winter and out during summer.
Corrosion-resistant and extremely durable, aluminium windows require very little upkeep and will not warp, rot, or rust.
Browse our collection of installed aluminium windows to find inspiration for your home.






Our aluminium windows are custom-made to your exact specifications, ensuring perfect fit and optimal performance.
Find answers to common questions about our aluminium windows.
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Pricing
Aluminium windows typically cost £600–£1,500 per window fully installed. All our quotes include professional installation, VAT, and a 10-year guarantee.
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