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One Collection Flush Casement uPVC Windows

One Collection Flush Casement uPVC Windows are designed to replicate an authentic timber appearance with all the insulation and low-maintenance benefits of uPVC.

OC Flush Sash Windows close into the frame and fit completely flush. Dummy sashes are used to create equal sightlines for a sleek and symmetrical finish.

Available with butt joint aesthetics, traditional hardware and woodgrain foils, OC Flush Sash Windows are ideal for those looking to add a traditional touch to a modern home, or for those looking for an energy-efficient upgrade to fit seamlessly into their heritage-style property.

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Manufactured in London

Casement opening style, other options available

Handcrafted by expert fabricators

Choose from 30 colours

PAS 24 Accredited for security

High performance double glazing

Watertightness tested to 900 pa

U-Values from 0.9 W/m2K

Colour Options

These flush casement uPVC windows are available in 30 different colourways, including woodgrain finishes – perfect for those wanting to replicate timber aesthetics.

There is also the option of dual colours, to help you match your windows to both the inside and outside of your home.

Hardware & Accessories

There is an entire selection of hardware and accessories to add a level of personalisation to your OC Flush Sash Windows. Choose from Monkey Tail handles, Pear Drop handles, traditional peg stays and more, in a range of finishes to make your windows your own.

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One Collection Flush Casement uPVC Windows Product Information

Opening Styles

One Collection Flush uPVC windows are available in a range of opening styles to suit your project.

Casement (top hung and side hung)
French casement

Colour Options

For a stunning finish, choose a premium colour option.

The One Collection uPVC range is available in multiple colours and finishes to perfectly suit your property.

Our premium colours include a range of popular grey shades and bolder tones, such as Vin Rouge and Fir Green.

Standard Handle Options

All of our One Collection window and door handles are fully tested to ensure smooth operation and easy locking mechanism.

We offer a range of colour options to create a perfect match or contrast for home interiors.

Pear Drop & Monkey Tail Handles

To create a unique window, try our premium hardware collection of Pear Drop style handles to add glamour, a traditional style or a designer twist to any window.

Our Monkey Tail handle style is the perfect addition to create a window that stands out from the crowd.

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Security

Security comes as standard for OC Flush Sash Windows, with multi-point locking systems and internal glazing beads fitted on all windows, as well as Secured by Design* and PAS 24** certification.

Everguard hinge protection is also included for added peace of mind.

*Our range of windows and doors are available with a Secured By Design (SBD) accreditation upgrade. In order to ensure your windows are compliant with SBD, please ask for this when requesting a quote.

**Our range of windows and doors are available with PAS24 security accreditation. To ensure your windows are compliant and tested to PAS24, please ask for this when requesting a quote.

Energy Efficiency

Flush casement uPVC windows are much more energy efficient than timber alternatives and have an Energy Rating of A+, creating a comfortable living space and reducing heating bills.

Multifunctional weather seals are also fitted to protect you against the wind and rain.

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Lucky Seven for Everglade Windows

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Award-Winning

The Everglade Windows range is unmatched in terms of both quality and performance. We have won awards for our innovative product range and devotion to providing the best service possible to our trade partners and customers.

Legendary Support

We started more than 40 years ago as an installation company, so have a real understanding of the type of support that our trade partners require. They want practical business and marketing guidance from their trade fabricator, that cuts through the nonsense and delivers on everything that they need to help their business grow.

Independent Reviews

“Everglade Windows were really helpful and the product is fantastic. We would definitely use them again and would recommend them.” Just some of the great feedback from our happy customers.

Made in London

London is part of our DNA. At the cutting edge of design, style and performance, the city influences and drives innovation at Everglade Windows. We're proud to say we’ve been based in London since 1980.

One Collection Flush Casement uPVC Windows

Request a free quote

One Collection Flush Casement uPVC Windows Product Information

Everglade news & advice

Remove cold spots with PVCu windows

Award-winning windows

Aluminium window features

Lucky Seven for Everglade Windows

The Everglade Windows difference

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