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Featuring industry-leading build quality, our 58BW ST aluminium windows are an ideal replacement for existing steel windows. In addition to impressive high thermal and acoustic performance, the design also replicates the minimal sight lines associated with steel windows, whilst providing superior performance and security. Yet another win-win.

Our aluminium commercial sash windows can be internally or externally glazed depending on your project specifications, and are available with either 24mm or 32mm glazing. They are compatible with a range of configurations including top hung, side hung, and fixed light, and can be finished with a single or dual colour powder coat paint.


At Central Window Systems, we are proud to be one of the biggest fabricators of both aluminium and PVCu products in the whole of the Midlands.

We supply high-quality products such as Deceuninck PVCu windows and doors, along with aluminium bi-folds doors, sliding doors and roof light systems from AluK.

We know that our 40 years of experience is something that helps us set apart, with our customer care and service something that we pride ourselves on.

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aluk aluminium window prices
  • Thermally Efficient
  • Durable Design
  • Customisable

Thermally Efficient

Our aluminium commercial sash windows provide excellent thermal efficiency, with bespoke double and triple glazing available. With the ability to reach an ‘A’ energy rating and U-values as low as 1.2W/m2K for the triple glazed variant, these aluminium commercial sash windows can make the perfect replacement for a building’s old steel windows.

The glazing also has the added benefit of sound insulation to help keep homes warm, comfortable, and quiet for enhanced privacy. Our commercial sash windows come with glazing that can be 24mm to 32mm thick, with other thicknesses potentially possible depending on profile combinations.

The slimline aluminium profiles include polyamide thermal breaks to improve their energy efficiency, helping to contain more heat and prevent it from escaping outside where it is wasted.

commercial sash

Durable Design

The commercial sash windows we provide are made of durable and lightweight aluminium. Aluminium is capable of withstanding hard knocks and intense weather conditions without warping, bending, cracking, or swelling. The thermal breaks included within our commercial sash windows profiles help to enhance energy efficiency without compromising the secure design of the window. All our aluminium commercial sash windows have undergone intensive PAS24 tests to make sure they are certified, which can grant homeowners peace of mind. Furthermore, these aluminium commercial sash windows are also accredited by Secured by Design and have been tested to resist modern intrusion techniques.

The integrated deep head profiles allow for easy trickle ventilation to meet modern air requirements, and the tight weather seals can keep out cold draughts and leaks. Our durable commercial sash windows can last for potentially decades with only minimal maintenance requirements thanks to their tough double glazed panes and robust frames that don’t ever need sanding, varnishing, or repainting.

aluk aluminium window prices


These aluminium commercial sash windows can be customised to suit almost any kind of modern build. They’re available in a wide range of single or dual colour and anodised finishes so that homeowners can blend their new windows with their existing style, providing all the contemporary benefits of aluminium without compromising the property’s unique aesthetic. 

Additionally, our aluminium commercial sash windows are available in the following configurations: top hung, bottom hung, side hung, fixed light, multilight, and French casement. We can also provide them for Lifetime Homes (LFT) and are able to be provided in a wide range of sizes. 

Choose between internally or externally glazed commercial sash windows to suit your needs, along with your choice of 58mm or 70mm frame depth to accommodate varying applications.

aluminium commercial sash windows
  • Commercial Sash Window Prices

Commercial Sash Window Prices

Get a trade quote for your aluminium commercial sash windows today in just a few minutes with our online quoting engine. Call us for more information at 0121 500 0505, or fill out our online contact form with your details. Register to become a central installer now to gain access to our bespoke central hub, which can grant you incredible marketing and specification features and tools.

Why Choose Central Window Systems?

Experience Matters

With a wealth of experience and knowledge, we are a stable company who will be here to support you in the years to come.

Highest Quality

Exceptional product quality is a prerequisite at Central Window Systems. We offer the most advanced window and doors available on the market.

Professional Standards

Delivering products to you on-time, in full and in pristine condition ensuring your professional installation is completed with the support you expect from your supplier.

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