Casement Windows

uPVC casement windows are side-hinged windows, and among the most popular window styles for both modern and traditional homes.

uPVC Casement Windows

uPVC casement windows are side-hinged windows that open outward like a door. Known for their energy efficiency, low maintenance, and affordability, they are among the most popular window styles for both modern and traditional homes.

When designed in a heritage or timber-look style, such as Timberlook Flush Sash windows, uPVC casement windows authentically replicate the appearance of traditional wooden frames. This makes them ideal for period properties, conservation areas, and heritage renovations.

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Stylish energy efficient window systems to compliment your home

Energy efficient

Modern uPVC casement windows often feature multi-chambered profiles and advanced glazing options, achieving U-values as low as 1.0 W/m²K with triple glazing.

Low maintenance

Casement windows are low maintenance due to their simple design making them less prone to wear, and are easy to clean both inside and out—especially when hinged to open wide.

Security features

Casement windows offer strong security features, being certified to PAS 24 and fully compliant with UK Building Regulations, which means they meet rigorous standards for resistance to forced entry.

Standard uPVC Casement Windows

These windows are side-hinged and open outward, offering excellent ventilation and unobstructed views.

Key Features:

Energy Efficiency: Modern uPVC casement windows often feature multi-chambered profiles and advanced glazing options, achieving U-values as low as 1.0 W/m²K with triple glazing.
Low Maintenance: uPVC frames are resistant to rot, corrosion, and require minimal upkeep.
Customisation: Available in various colours, finishes, and configurations to suit different architectural styles.

Heritage-Style uPVC Casement Windows

These windows replicate traditional timber frames, making them ideal for period properties and conservation areas.

Key Features:

Authentic Appearance: Features like flush sashes, mechanical joints, and woodgrain finishes mimic classic wooden windows .
Modern Performance: Despite their traditional look, they offer modern benefits such as enhanced thermal efficiency and security.
Concealed Ventilation: Innovative designs include hidden trickle vents to maintain aesthetics while ensuring proper airflow

Rehau – Casement Windows

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Kömmerling – Casement Windows

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What our customers say…

I have used Martin and his team for many years and they offer great value for money and service. The product Martin specifies and installs has always been superb and very competitively priced. The installation teams have always been very professional – efficient and polite. I would recommend Tradeline Windows to anyone looking for a great product at a great price.

John Griffiths

Having used Tradeline Windows a number of times over the years, we have found them professional & competitively priced. Martin & his team are good at what they do & I would recommend them without hesitation.

John Payne

I would highly recommend Tradeline Windows to anyone looking to change windows, doors or transform their conservatory into a space that becomes a useable asset to their home. All the tradesmen who worked on the windows and then the conservatory completed a fantastic job and were excellent in every respect.

Richard Phillips

Excellent service from Martin and his team , great product , great fitting and a great price . Look amazing thanks for everything. Highly recommended.

Adrian Stalley