Refined in design. Exceptional in performance.

Held in high regard for their sleek appearance, aluminium windows have been subjected to serious performance enhancements in recent years. Now regarded as one of the best window options available. Secure, efficient and built to last. Expertly engineered, we are one of the Uk’s largest manufacturers of thermal aluminium windows. Our most popular choice has the slimmest sightlines and the option of any ral colour. Aluminium windows from Clearline are the clear choice!

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Versatile Design. Exceptional Performance.

From distinguished residential properties to sophisticated commercial developments, Clearline Aluminium Windows are designed to complement a diverse range of architectural styles and project requirements. Our extensive collection includes elegant casement, tilt & turn and fully reversible windows, with bespoke opening configurations available to suit your design.

For projects requiring a distinctive architectural statement, our aluminium profiles can also be precisely formed to create elegant arched, curved, pointed and circular designs. Every window is manufactured using high-performance aluminium profiles, combining refined aesthetics with exceptional strength, durability and long-term performance — even in demanding climates and harsh weather conditions.

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Exceptional Performance. Effortless Elegance.

Crafted for discerning residential and commercial projects, Clearline Aluminium Windows combine refined aesthetics with outstanding thermal performance, security and durability. Manufactured in-house using premium aluminium profiles, our windows incorporate an advanced polyamide thermal break to minimise heat transfer and enhance energy efficiency, helping to maintain a more comfortable interior throughout the year. Window Energy Ratings of up to A can be achieved, subject to specification.

Security is equally integral to the design. High-performance locking hardware, including multi-point locking and cockspur handles, provides enhanced protection and peace of mind. With frame depths ranging from a substantial 70mm to an exceptionally slender 53mm, Clearline Aluminium Windows offer beautifully clean sightlines while maximising natural light and uninterrupted views.

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Key Features

Here are just some of the features which can be incorporated into our various profiles, you can expect to benefit from:

Chrome window handle

Range of hardware available

Black aluminium windows and sliding doors

Contemporary finishes

Alitherm window profile

Large selection of glazing options

Slim white aluminium windows interior view

Slim sightlines

Coastal white aluminium windows

Weather resistant frames

White louvre windows interior view

Glass or Metal Louver windows

Colour Options

You can fulfil the aesthetic requirements of your project with over 10’000 colours available in powder coated finishes. We also offer any RAL colour on our aluminium windows, view the full chart here.

Please request a colour swatch to view our entire range of styles.

Anthracite Grey (RAL 7016)

Anthracite Grey (RAL 7016)

Antique Green

Antique Green

Antique Grey

Antique Grey

Black

Black

Basque Red

Basque Red

Platinum Grey

Platinum Grey

Province Green

Province Green

Sensations Sand

Sensations Sand

Silver Grey

Silver Grey

Steel Blue

Steel Blue

Velour White

Velour White

Any RAL Colour

Any RAL Colour

Anthracite grey aluminium windows
Aluminium window interior view close up

Downloads

Take an in-depth examination into the product specifications of our aluminium windows by downloading the supporting literature which is featured below.