Which materials are available for casement windows?

You can choose from uPVC, aluminium, or wood—each offering durability, energy efficiency, and a style suited to your home.

Where do casement windows work best?

They’re ideal for living rooms, kitchens, bedrooms, bathrooms, and stairwells—anywhere you need light, airflow, or easy operation.

UPVC or aluminium casement windows manufacturer UK

Name: Casement Windows
Brand: Klassic Trade Frames
Rating: 4.8 (120 reviews)

What are Casement Windows?

Casement Windows are side-hinged and open outward, offering excellent ventilation, clear views, and a weather-tight seal. Our uPVC casement windows are durable and energy-efficient, perfect for traditional and modern homes.
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At Klassic Trade Frame, we manufacture and install casement windows in classic uPVC, wood for traditional styling, and aluminium for a sleek, modern finish. All are available with double or triple glazing, delivering exceptional energy efficiency for every type of home or project.

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Open uPVC casement window against a vibrant green background, showcasing modern design and natural light.

Where Casement Windows Work Best

Depending on your needs and style, options range from uPVC to aluminium casement windows, each offering both form and function.

A green couch in front of a city view through uPVC casement windows, blending comfort with urban elegance.

Living Rooms & Lounges

uPVC casement windows are a great way to maximise natural light and open up your space. Their wide, precise openings create a bright, inviting atmosphere with a seamless connection to the outdoors.

Modern kitchen featuring a sink and a large window with stylish aluminium casement windows, enhancing natural light.

Kitchens

Perfect above counters or sinks, these windows open effortlessly for fast, adequate ventilation. They help keep your kitchen fresh and free from steam or odours with a style that matches practicality.

Bright bedroom with white walls and a uPVC casement window, allowing natural light to fill the space.

Bedrooms

Built for peace of mind, our casement windows offer excellent security and can serve as a compliant fire escape route. Their quiet seal also helps create a calm, insulated space for rest.

Modern bathroom featuring a toilet and a uPVC casement window, allowing natural light to brighten the space.

Bathrooms

Casement windows with decorative or obscure glass offer the perfect balance of privacy and ventilation. They help control moisture and reduce condensation in compact, high-humidity spaces.

A narrow stairway leads to a bright room featuring a stylish UPVC casement window, enhancing natural light and aesthetics.

Stairwells & Hard-to-Reach Areas

With simple, single-handle operation, casement windows are ideal for tight or elevated locations. They bring in essential light and airflow where needed, with minimal effort.

Same Trusted Benefits and Klassic Standard

At Klassic Trade Frames, we supply both uPVC and aluminium frames. Each option is energy efficient, secure, and built for low maintenance.
From modern uPVC casement windows to realistic woodgrain finishes on composite doors, we combine performance with style to suit every property.

Built for Everyday Living

Our frames are made to perform. Whether you choose the classic insulation of uPVC or the clean, contemporary look of aluminium, both materials offer lasting strength, reliable performance, and a finish that stands the test of time.

Comfort in Every Season

Double or triple-glazed and expertly sealed, our frames help maintain the ideal temperature indoors. They reduce noise, block draughts, and improve energy efficiency throughout the year.

Security as Standard

Every window and door we supply includes multi-point locking systems and secure internal glazing. Both uPVC and aluminium casement windows options offer robust protection without compromising on appearance.

If you're deciding between the two, here's a quick comparison to guide your choice.

uPVC

Aluminium

Bright living room featuring double glazed windows and doors, enhancing natural light and energy efficiency.

Bespoke, Made-to-Measure & Custom Design

Enhance your home with a contemporary touch using our sleekest profile and an extensive range of modern colours. Designed to maximise natural light, the ultra-slim frames and expansive glass panels bring brightness and style to any space.

Material options: Aluminium or uPVC frames
‍Low maintenance: Built to last with minimal upkeep
‍Long-term assurance: Up to 20-year guarantee
Custom finishes: Wide selection of colours to suit any aesthetic