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Flush Casement Windows

Here at ZEN, we have a great reputation for installing high-quality flush casement windows across Bristol and the surrounding area.


Our uPVC flush casement windows are designed to enhance the appearance of your home and deliver unmatched functionality and energy efficiency. 

Merging the timeless charm of traditional windows with the cutting-edge benefits of modern technology, these windows sit flush within the frame, offering a sleek and elegant look that complements both modern and traditional homes. The advanced sealing and glazing techniques used in our windows ensure that your home stays warm, quiet, and secure throughout the year.

Discover your inner peace with ZEN Windows and Conservatories.

Energy Efficiency and Performance

Our commitment to energy efficiency is evident in every flush casement window we install. Each unit is A-rated for energy as standard, helping to reduce your heating costs and carbon footprint. We can also provide options that can allow you to achieve A+ ratings and beyond. For more information, visit our Window Energy Rating (WER) page.

Weather Performance

We pride ourselves on supplying products that withstand the elements. Our flush casement windows are tested and certified to meet the latest British/European standards for air, water, and gusting performance, ensuring they perform exceptionally, regardless of the weather.

In choosing from our collection, you're not just selecting a window; you're choosing a commitment to quality, security, and energy efficiency.


Flush Casement Window Specifications

  • Materials: Our casement windows feature German-engineered frame profiles which   are made from 100% virgin uPVC, ensuring durability and a premium surface finish

  • Extensive range of woodgrains, colours including flat colour options

  • Security: Featuring internally beaded double-glazing, our windows offer enhanced security, keeping your home safe and sound. Multi-point locking comes as standard, alongside locking handles, providing you with peace of mind.

  • Profiles: 70mm multi-chambered profile, reinforced and designed for superior thermal efficiency and strength.

  • Glazing: A-rated double-glazing specification as standard and the option to upgrade to A+ and beyond,our casement windows ensure optimal energy efficiency.

  • 28mm hermetically sealed double-glazing units, performance LowE glass inner panes and low iron outer panes, argon filled, with warm edge spacer bars and coupled with invisible sealing gaskets, offering superb insulation and acoustic performance all as standard.

  • Triple glazing option

  • Hardware: Stainless steel friction hinges and galvanised steel reinforcement add to the robustness and longevity of our windows.

  • Low maintenance - just wipe with a damp cloth to retain pristine appearance

  • Egress, easy clean and restricted friction hinges where required: we will tailor the opening function to your needs, whether for safety or ventilation.

  • Handle finishes: customise the look with a choice of handle finishes, complementing your home's interior and exterior design.


What is a flush casement window?

A flush casement window is a type of window where the opening part of the window, known as the casement or sash, sits flush with the outer frame when closed. This design creates a smooth, flat surface on the exterior, offering a sleek and minimalist look.

Are flush casement windows more expensive?

The cost of flush casement windows can be slightly higher than standard casement windows due to their design complexity and the aesthetic benefits they offer. The exact price difference depends on the material used, the size of the windows, and any additional features such as glazing options or finishes. However, many homeowners find the additional cost worthwhile for the enhanced appearance and value they bring to a property.

What type of house do flush casement windows suit?

Flush casement windows are incredibly versatile and can complement a wide range of home styles. They are particularly suited to traditional properties where preserving or enhancing the architectural integrity is essential, such as in period homes or cottages. However, their clean lines and minimalist appearance also make them a popular choice for contemporary homes seeking a modern yet understated look.

Are flush casement windows easy to maintain?

Yes, flush casement windows are relatively easy to maintain, especially if they are made from uPVC. Unlike wooden windows, uPVC does not require regular painting or staining to maintain its appearance and protect it from the elements. To keep uPVC flush casement windows in good condition, a simple cleaning with soapy water and a soft cloth, along with occasional lubrication of the moving parts such as hinges or locking mechanisms is usually sufficient.

We found the complete service from initial enquiry and quotation through to fitting and billing to be efficient and thorough The fitters themselves were very pleasant, tidy and a pleasure to have in our home. Would thoroughly recommend Zen Windows

Sally Eccles - 1st February 2024

The whole experience with Zen windows has been fantastic start to finish. All my questions before the job were answered quickly and comprehensively, the fitters were friendly, tidy and did a wonderful job. I wouldn't hesitate to recommend them to anyone!!

Sam Ferrins - 17th January 2024

We were very impressed with Zen Windows throughout the process. We approached them to come and quote for us after reading the many positive reviews online. The initial salesman was very good. He built a rapport and listened to what we wanted.

Sarah Bird - 29th January 2024

Get in touch today

No pressure here. We believe in transparent, written quotes, giving you the space to make the right decision in your own time. And with bespoke designs tailored just for you, nothing is off the shelf.

Experience the ZEN difference. Get in touch with us today and book your free no-obligation home visit.

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