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Aluminium casement windows are on the rise across the country, and are your best bet if it’s simplicity you’re looking for. Aluminium is a lightweight, yet incredibly strong metal that’s become the fastest-growing material in glazing. Its strength means it can support larger glass panels, great for natural light intake and thermal performance.
Casement windows are the most abundant window style in the UK, and the chances are you use them on a daily basis. They are hinged at the side or top, and can open inwards or outwards depending on your priorities. If you’re looking for a window that keeps the heat in, offers great outdoor views, is easy to operate, and long-lasting, aluminium casement windows are a really strong choice.
Get a free, no obligation quoteOur aluminium windows combine cutting-edge design with long-term reliability. Aluminium is naturally resistant to corrosion, warping and harsh weather conditions, making it an excellent choice for homeowners looking for durability with minimal effort (the Buckinghamshire weather can certainly be inconsistent, so this durability is important). With slimline aluminium windows, you’ll enjoy more natural light, cleaner lines and a contemporary aesthetic appeal that suits modern homes and traditional properties alike.
One of the biggest advantages is the choice of finishes available. From popular shades like anthracite grey, black and white to over 200 RAL colours, there’s something for every property. We also offer woodgrain effects for a more traditional look, alongside textured and metallic finishes. With dual-colour options, you can match your interior décor while creating a striking external appearance.
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Our aluminium frames are among the slimmest available, allowing for larger glass panes and brighter interiors without compromising on strength or durability.
Powder-coated finishes resist fading, corrosion and wear. With only occasional cleaning required, your windows stay looking their best with minimal effort.
Choose from over 200 colour options, including anthracite grey, black and bold statement shades, with dual-colour finishes available for added flexibility.
Advanced thermal break technology and high-performance glazing help reduce heat loss, improve insulation and deliver better energy efficiency for your home.
Incredible installations throughout Aylesbury
View photo galleryGet inspired by visiting our fantastic Aylesbury showroom, or browse our gallery full of our recent installations.
Visit our showroom Book an appointmentColours
Our aluminium casement windows are available in a wide range of colours to suit any style of home. Popular options include anthracite grey, black, cream and dark blue, alongside over 200 RAL colours.
We also offer woodgrain effects for a more traditional look, as well as metallic finishes for a contemporary feel. Dual-colour options allow you to match your interior décor while maintaining kerb appeal outside.
Dark Red
Brilliant Blue
Red
Grey
Cream
Dark Blue
Black
Anthracite Grey
RAL
Glazing Options
We offer both double glazing and triple glazing options, designed to deliver excellent thermal performance and energy savings.
With low U-values as low as 1.0 W/m²K, our glazing helps reduce heat transfer and outside noise. Decorative, obscure and acoustic glass options are also available.
Chantilly
Taffeta
Stippolyte
Pelerine
Oak
Minster
Mayflower
Florielle
Everglade
Digital
Contora
Charcoal
Casement windows are hinged windows that open outward (or inwards if you’d prefer, our installations are bespoke to you so we’ll let you choose), either from the side or the top. This classic design allows for excellent airflow, making it easy to control ventilation throughout your home.
Their simple opening mechanism also provides easy access for cleaning and everyday use. There’s a reason they’ve been the most used style in the UK for centuries, and their simplicity means they’re often the must budget-friendly pick too.
You’ll find casement windows on all types of properties across the UK, from period homes to new builds. Their clean lines and adaptable design mean they suit both traditional aesthetics through convincing woodgrain finishes that mimic the grains and intricate detailing of timber, and sleek new builds through colours like anthracite grey.
What colour windows can you have with uPVC or aluminium?
Energy efficiency is now a top priority for homeowners across the UK, with rising energy costs making insulation more important than ever. Choosing the right windows plays a key role in reducing heat loss and improving comfort throughout the year.
Aluminium was once considered less efficient than uPVC or timber, but modern manufacturing has transformed its performance. Today’s aluminium frames include a polyamide thermal break, a barrier within the frame that reduces heat transfer between the inside and outside of your home.
Combined with double or triple glazing, this technology helps trap warmth indoors, improving thermal performance and delivering noticeable energy savings. It also creates a more comfortable living environment, keeping your home warmer in winter and cooler in summer.
How important is energy efficiency?
Our aluminium casement windows are designed to suit every style of property. Whether you prefer the bold look of anthracite frames, classic white tones or darker shades like black and navy, there’s a finish to match your vision.
For traditional homes, woodgrain effects provide the charm of timber without the upkeep. For contemporary designs, metallic and textured finishes offer a modern aesthetic. With dual-colour options available, you can personalise both the interior and exterior to complement your décor perfectly.
Book an appointmentAt Premier Windows, we bring over 30 years of experience to every installation. As a family-run business based in Aylesbury, we understand the needs of homeowners across Buckinghamshire. We strongly believe this is beneficial over the services offered by national corporations, as with us you’ll receive a really personal service, unlike the generic offerings of nationals. We are experienced in working on properties throughout the county, and are aware of factors such as planning requirements and conservation areas.
We are proud to be accredited by DGCOS and Which? Trusted Trader, and every installation comes with a 10-year insurance-backed guarantee and dedicated aftercare service. Visit our showroom or get in touch today on 01296 422 842 to discuss your new aluminium casement windows with our friendly team.
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The work was excellent, I have been using him over 20 years. I have recommended him to friends and family.
We’ve been transforming properties for the better across Buckinghamshire and further afield for years. This has taken us into homes in High-Wycombe, Aylesbury, Thame, Amersham and even as far as Berkhamsted.
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