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A grey-framed window with four panes set in a red brick wall

UPVC CASEMENT WINDOWS – ENERGY-EFFICIENT DESIGNS AVAILABLE ON FINANCE IN LEEDS

A+ energy ratings. Customisable styles and finishes. Secured by Design-approved locks.

Call now for your casement window quote!

SLIM SIGHTLINES FOR MAXIMUM NATURAL LIGHT

OPTIONAL TRIPLE GLAZING FOR SUPERIOR INSULATION

LOW-MAINTENANCE UPVC FOR EASY CLEANING

STYLISH AND VERSATILE CASEMENT WINDOWS SUPPLIED & INSTALLED ACROSS LEEDS

​Whether you're replacing a single window or upgrading your whole home, Mint Trade Frames supplies and installs made-to-measure uPVC casement windows across Leeds, Harrogate, Wetherby & West Yorkshire.

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Our casement windows are available in a wide choice of styles, colours and configurations to suit both traditional and contemporary properties. Choose from top-hung or side-hung openings, double or triple glazing and a range of finishing options to create windows tailored to your home.

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​One of the most popular window styles for UK homes, Mint Trade Frames offer classic or contemporary styles with slim sightlines to let in maximum light. Available in top- or side-hung configurations, you can personalise each window with:

  • Mock sash horns for a traditional look.

  • Georgian or astragal bars for added character.

  • Coloured or bevelled glass.

  • Wide choice of colours and finishes.

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Visit our Leeds showroom to explore the options in person, or contact our team to arrange a free, no-obligation quote.

Tilted white-framed windows open outward from a red brick wall, reflecting the blue sky

ENERGY EFFICIENCY AND PERFORMANCE

Mint Trade Frames’ casement and flush sash windows are built with a standard four-chamber or unique six-chamber uPVC profile, achieving an A+ rating to keep heat inside and reduce energy bills. Optional 28 mm double or 40 mm triple glazing can reach a U-value of 0.8 while also reducing outside noise, ensuring comfort, efficiency, and superior thermal performance.

A rustic brick wall features a mint green window and door. A wire trellis is mounted next to the door
Close-up of modern, black-framed double-glazed windows with condensation on the glass, set in a white wall, conveying a sleek and contemporary look

SECURITY AND LOW MAINTENANCE

Upgrade your frames for Secured by Design status, a police-backed initiative ensuring exceptional security features. Mint Casement Windows are highly durable, never rotting, rusting, or requiring painting. A quick clean with warm, soapy water is all that’s needed, even for foil-coloured finishes.

CUSTOMISATION OPTIONS AND SIZES

Personalise your Mint casement windows with a wide selection of handle colours, including chrome, gold, satin silver, black, white, antique black, 7016 grey, and tungsten.

 

Standard maximum sizes (mm) for double-glazed units:​

  • TOP-HUNG CASEMENT: 1265 W × 1342 H

  • SIDE-HUNG CASEMENT: 715 W × 1342 H

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With a range of optional extras, matching sills, and colour finishes, every window can be tailored to your taste, creating a fully bespoke solution that combines style, functionality, and elegance.

Contact us today to discuss your perfect window design.

FREQUENTLY ASKED QUESTIONS

TESTIMONIALS

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Great communication throughout and got me installed and warm in no time. Any questions? Lewis was always happy to help. I'd highly recommend mint trade frames to my friends and family.

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Really pleased with our new windows, French doors and gorgeous Wedgwood blue front door! Andy is very professional; can’t fault the price; communication is excellent would definitely recommend and would use again if we moved house!!

UPGRADE YOUR WINDOWS TODAY

Call to discuss your uPVC casement window needs today!

A partially open white-framed window reveals a view of a modern wooden building and lush green trees in the background, conveying a serene atmosphere
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