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Casement Windows

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


Our casement windows are designed not just to enhance the aesthetic appeal of your home but also to deliver unmatched functionality and energy efficiency. Crafted with precision and using German engineered uPVC profiles, these windows open outwardly, with side or top hung vents, allowing for optimal airflow and natural light to enrich your living spaces.

Discover your inner peace with ZEN Windows and Conservatories.

Energy Efficiency and Performance

Our commitment to energy efficiency is evident in every 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 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.


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.


How much does it cost for double-glazed windows?

The cost of double-glazed windows can vary depending on factors such as the size of the windows, the material used, and the level of energy efficiency desired. On average, you can expect to pay between £400 to £1,000 per window, including installation.

Will double-glazing add value to my house?

Yes, double-glazing can add value to your house. It enhances energy efficiency, reduces noise pollution, and improves security, all of which are attractive features for potential buyers. Additionally, properties with double glazing often command higher resale prices compared to those without.

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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