BDC’s Premium Selection of Aluminium Windows
Elevate your next project with BDC’s high quality, and energy efficient aluminium windows. Featuring innovative designs from renowned manufacturer Smart Systems, we have the ideal aluminium window for you. Whatever type of window you are looking for, we have the perfect solution for you.
- Get Your Free No-Obligation Quote Today
- Full Thermal & Energy Efficiency
- Versatile Styles For All Homes
- Low Maintenance & Durable
- Acoustic Performance
Benefits Of BDC’s High Quality Aluminium Windows
BSI Certified Quality
All of our aluminium windows meet rigorous British standards
PAS24:2022 Security
Our aluminium windows are tested for maximum property protection
Smart Systems Profile
Our aluminium windows feature slim, strong and energy efficient Smart System Profiles as standard
Over 200 RAL Colours
Fully customisable to suit every property, these windows can be fully tailored to your project
Why Choose The Smart Alitherm 400 Aluminium Windows?
BDC’s Smart Alitherm 400 window is the first thermally broken aluminium system to feature Smart’s pioneering co-extruded glazing gasket. This means the Quick-Glaze beads are supplied pre-gasketed and simply tapped in on site, significantly reducing fabrication and installation time.
With a U-value as low as 1.4 W/m²K and a WER rating of A+, this versatile system (available in fixed, side hung, top hung, and flush or stepped sash styles) is manufactured in the UK, is Document L compliant, and is rigorously tested to deliver exceptional weather and security performance.
Why Choose The Smart Alitherm 600 Windows?
The Smart Alitherm 600 window is the most popular in our aluminium window range. Offering a high-quality glazing solution for side- and top-hung windows, this system also delivers exceptional thermal efficiency ideal for new build projects or home renovations.
With a U-value as low as 1.3 W/m²K, it accommodates 28–38 mm double or triple glazed units, features a 70 mm frame depth, and uses Smart’s polyamide thermal-break technology. It is PAS 24:2016 rated, BS Kitemarked, Document L compliant, and achieves a WER rating of B, while offering textured or foil finishes and a wide choice of colours to suit both traditional and contemporary styles.
Aluminium Windows Gallery
Why Choose The Smart Alitherm Heritage Window?
Our Alitherm Heritage Window range is a modern aluminium solution for listed buildings, heritage homes and refurbishment projects. Perfect for maintaining the character and integrity of a period property, these aluminium windows are ideal for replacing old steel frames without losing heritage aesthetics. Even though these aluminium windows feature a vintage appearance, they are equipped with modern designs, including an extended polyamide thermal break, and advanced energy efficiency.
Blending traditional aesthetics with exceptional performance, these windows offer U-values as low as 1.6 W/m²K, 59 mm sightlines, 47 mm frame depth, and glazing options from 24 to 36 mm (double or triple glazed). They are PAS 24:2016 and Document L compliant, BS Kitemarked, combining period charm with robust security and weather performance. We’re certain our Alitherm heritage windows will look great in a wide variety of homes. Get started with a quote today.
Why Choose The Smart VS 600 Vertical Sliders?
BDC’s Smart VS 600 Vertical Sliders incorporate the traditional styling of a vertical sliding sash window. With the advantage of a modern thermal aluminium profile, these windows complement Georgian and Victorian architectural styles. Offering fantastic security and thermal efficiency, these aluminium windows are the ideal choice for both residential and commercial high-occupancy buildings.
With a flush opening (no projection into or out of the building), the VS 600 includes a ‘tilt-in’ feature for easy external glass cleaning, a low-line glazing gasket that accepts 28 mm sealed units, and a substantial 126 mm frame depth. It delivers a U-value of 1.6 W/m²K, with full energy efficiency, and is fully Document L compliant. Designed with concealed drainage, coupling options, and high durability finishes in over 200 RAL colours, these windows deliver heritage charm without compromising on performance.
Why Choose BDC Aluminium?
Here at BDC Aluminium, we pride ourselves on being a leading supplier and manufacturer for tradespeople and homeowners across England.
With over 15 years of experience in the industry, we understand the importance of delivering outstanding products and services tailored to your needs.
Therefore, we have a highly skilled, professional team of installers who you can trust as well as supply-only services for glazing companies, contractors and other professionals too.Get your free, bespoke quote and choose BDC Aluminium today.
Request a quote online
Get your free, no obligation quote today by clicking through and providing us with your preferred product system and any project information.