Versatile window design
We offer two popular profile choices; contemporary Chamfered style or the traditional Ovolo sculptured style.
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Aluminium Casement right hung left hung over left fixed double glazed windows Supplied & Installed
Aluminium Casement right hung left hung over left fixed double glazed windows combine the most popular style with the most popular window material. It’s no wonder they are so loved by homeowners with their high-performance benefits, including A energy ratings and superior weather resistance. With their slender frames, they’ll let in an abundance of natural light to brighten your home.
They can suit any home with a range of customisation options such as Georgian bars, decorative glazing and a plethora of Aluminium window coloured frame designs.
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Why choose Aluminium Casement right hung left hung over left fixed double glazed windows?
Energy saving design
Available with 3, 5 and 6 insulating chambers, our multi-chambered Aluminium casement windows attain A energy ratings with ease.
Superior security
Featuring locks embedded into the frame, optional security enhancements include fixing the hardware into the steel reinforcements and PAS 24 window security compliance.
Low maintenance
Our Aluminium casement windows offer a maintenance-free design that won't rot, crack, warp, or fade throughout its lifespan.
Sustainably sourced
As well as offering EcoMax Glass as standard, our Aluminium casement windows are created from 80% recycled manufacturing off cuts.
Technical details
| Feature | OW-70 Slimline | OW-80 Premium |
|---|---|---|
| Sightline | 65mm | 91mm |
| Max Sizes (HxW) | 4,800mm | 4,800mm |
| Max Weight | Up to 50kg | Up to 50kg |
| U-Value | Up to 1.2 W/m²K | Up to 0.8 W/m²K |
| Security | PAS 24 | PAS 24 |
| Guarantee (Standard) | 10 years | 10 years |
| Glazing Option | Comfort Glass/ EcoMAX | Comfort Glass/ EcoMAX |
Colours
Our aluminium casement windows can be made in any RAL colour. This way you can choose to make your home stand out with vibrant bold colour or find a shade that exactly matches the rest of your home.
White
Clotted Cream
Pearl Grey
Chartwell Green
Elephant Grey
Slate Grey
Slate Grey Grained
Basalt Grey
Anthracite Grey
Anthracite Grey Grained
Black Brown
Steel Blue
Racing Green
Ruby Red
Turner Oak
Irish Oak
Golden Oak
Rosewood
Mahogany
Walnut
Dark Oak
Glazing
We offer double glazing and Comfort Glass options that are designed to outperform triple glazing thanks to the inclusion of a tough laminated layer and an effective low-e coating. You can also personalise your new casement windows further with our range of textured and patterned glazing for added privacy or decoration.
The benefits of upgrading your glazing are truly limitless - the most notable features include increased warmth, reduced energy bills & beating future energy price hikes. For complete peace of mind, we also offer toughened glazing options to enhance your home security further.
Frame Options
Choose the perfect profile for your finished window
We have a number of distinctive styles of frame to choose from. The chamfered option is a contemporary, straight-edged style while the ovolo option provides a more traditional, decorative finish. Our flush option sees sashes that finish flush with the external face of the window.
Ovolo Frame
Flush Sash Frame
Chamfered Frame
Furniture
Stylish furniture to make your windows even more complete
We offer a range of furniture for your windows to look the part. Whether you want the traditional look with monkey tail handles in a vintage finish, or contemporary brushed steel, our elegantly designed handles bring form to functionality and are designed to fit naturally into the user’s hand. You can also choose from our selection of window restrictors and pegs.
Furniture Handle Options
Window Handle
Monkey Tail Handle
Pear Drop Handle
Furniture Colour Options
Black Finish
Brass Finish
White Finish
Chrome Finish
Steel Finish
Advice + Guidance
Additional Features
Authentic Timber Look Cill
For an even more authentic look, our Radlington Cill is a superior upgrade to our standard cills. Comprising of deeper nosed cills, one at the standard 30mm height and another at a 55mm height, these are modern interpretations of timber cills.
Overhead Ventilation
Our overhead concealed ventilation features an overhead slot vent system that incorporates the ventilation in the head drip, meaning the external trickle vent is concealed on the head of the outer frame, providing a much-improved finish.
Our Order Process
- Contact Us for Expert Advice: Reach out to us through our contact form, call us at 0800 666 444, or visit our double glazing show centres across the South East UK. We’re here to guide you on planning permission, energy ratings, and the best materials for your home.
- Get Your Free Quote Fast: After we gather your window specifications, either by visiting your home or via communication, expect a no-obligation quote from us within 24 hours to help you make an informed decision.
- Efficient Installation Process: Once your order is confirmed, our smooth process kicks in, starting with a detailed survey, progressing through manufacturing with the latest techniques, and culminating in the installation of your new double glazed windows by our skilled team, followed by a final check to ensure everything meets your expectations.
Replacement Aluminium Casement right hung left hung over left fixed double glazed windows
One of the key benefits of upgrading to modern Aluminium windows is that they’re essentially maintenance-free. You won’t need to worry about any upkeep or repainting. We only recommend the occasional wipe with a damp cloth to remove any build-ups of debris.
As the most affordable window material, you can be sure that it doesn’t compromise on performance. Our modern Aluminium windows utilise an advanced multi-chambered window profile, maintaining a comfortable temperature all year round. You’ll even save money on your energy bills.
Security is another main advantage of replacement double glazed casement windows. With high-quality multi-point locks, you can rest assured that our windows will keep your home and family safe. For absolute peace of mind, additional security enhancements include fixing the hardware into the steel reinforcements and PAS 24 window security compliance.
Get A PriceSlimline aluminium casement windows in a range of modern styles and designs
With a powder coating that can be designed in over 150+ RAL colours and finishes, they can easily accommodate any homeowner’s individual tastes. From contemporary Anthracite Grey, to elegant Chartwell Green, or traditional Cream frames, aluminium choices are incredibly versatile.
Aluminium windows can be installed with either double glazing or comfort glass units. Both utilise innovative specifications to ensure that the warmth is kept inside and the cold out. This is achieved through a design that uses two panes of glass that surround an argon gas-filled chamber. Our advanced Comfort Glass options are designed to outperform triple glazing thanks to the inclusion of a tough laminated layer and an effective low-e coating. So, not only are they highly thermally insulating, but they’ll also reduce the external noises that enter your home.
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10 Year Guarantee
Our Aluminium casement windows are crafted with the highest quality materials, ensuring they maintain their functionality for years. We stand behind our craftsmanship with a ten-year guarantee, offering peace of mind and assurance in your investment. This commitment reflects our dedication to exceptional workmanship and customer satisfaction.
Check our finance optionsYour Window and Door Journey with SEH BAC
Replacing your windows and doors is easy.
Choose the right windows and doors
Fill out a form online or visit one of our 10 showrooms to see our range of high-quality windows and doors up close and speak to our expert team for any advice on materials, styles, colours, energy efficiency and glazing. Once you are happy with your choice, we’ll provide you with a free no-obligation quote.
Place your order with us
When you want to go ahead with your order, the details have been approved, and we have received your order deposit, our administration team will provide your contract to a surveyor.
Your surveyor assessment
The surveyor will contact you to arrange a date that is convenient to come to your home and review the project scope, take accurate measurements and discuss any other matters that need to be considered. We will then confirm the surveyor’s assessment.
Confirm an installation date
Our installation department will contact you to arrange a date for your window and/or door installation and your products will be ordered and manufactured, using cutting-edge techniques and industry-leading materials.
You're ready for your installation
On the day, our skilled team will arrive at the agreed time to install your products, ensuring minimal disruption. They’ll explain the locking and opening systems and share maintenance tips to keep your products looking brand new. Once your installation is complete, we will contact you to confirm that everything has been finished.
Frequently Asked Questions
Find all the answers to our most frequently asked questions below.
How much will new aluminium casement windows cost?
There are many aspects to consider when purchasing new windows, such as material, thermal performance and whether it's been accredited by industry bodies to ensure it's quality. To accommodate the majority of budgets, we offer a range of comprehensive finance options, including 2 years interest free credit & buy now pay later. Find more information on double glazed window prices here.
Which window material is best?
The first decision you need to make is which window material is right for your home. Your final decision will be heavily influenced by your own personal choice, budget, property appearance and building era. Read more
Are aluminium windows energy-efficient?
Strong, adaptable, low maintenance, and aesthetically striking, modern aluminium windows outperform many other window materials in terms of efficiency.
What is the lifespan of aluminium windows?
The expected lifespan of aluminium windows is 45 years. That is 10 to 20 years longer than uPVC windows. However, the lifespan can be reduced or improved depending on how well the windows are maintained.
Begin Your Project
Get your free quote – with no-obligation to buy. Simply fill in the online contact form below to get started:
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Here at SEH BAC, we’re proud to have won many prestigious awards for our products as well as our work in the community:
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Our Accreditations
