Casement Windows
-Choice of uPVC, timber & aluminium
-Thermally efficient
-Security exceeds British Standards
-Conservation area designs & styles
-Long lasting & lifetime guarantees
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Our most popular style


Casement is the most popular choice in window design. At Everest we offer a simple range, but with all the options to help you create the perfect window for your home. Choose from maintenance free uPVC, elegant timber or contemporary aluminium, all available in a choice of colours, giving your property a mark of distinction.

Our casement window options


uPvc >

  • Our most thermally efficient window
    • Flush sash option replicating the look of timber
      12 colour options
      Smooth or wood grain
      Highly secure GrabLock

Timber >

    • Our most thermally efficient window
      Flush sash option replicating the look of timber
      12 colour options
      Smooth or wood grain
      Highly secure GrabLock
  • Aluminium >

    • Our most thermally efficient window
      Flush sash option replicating the look of timber
      12 colour options
      Smooth or wood grain
      Highly secure GrabLock
  • The benefits of Everest casement windows


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    Significantly exceeds British Security Standards


    Everest casement windows significantly exceed British security standards. Secured by Design as standard, all UPVC casement windows have the option to upgrade to GrabLock. Developed with leading lock manufacturers, Yale, Grablock offers three times the surface area of a standard multi-point window lock – making it our most secure lock ever.

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    Energy efficient with A++ rated glazing


    Using advanced technology designed to reflect heat back into your room, Everest casement windows will keep your home warmer. An argon filed gap between the window panes, double draft resistant seals and a unique multi-chamber profile ensures your home retains heat. Rated a market leading A++21, the Everest triple glazed casement window is the warmest and safest available.

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    Significantly exceeds British Security Standards


    Everest casement windows significantly exceed British security standards. Secured by Design as standard, all UPVC casement windows have the option to upgrade to GrabLock. Developed with leading lock manufacturers, Yale, Grablock offers three times the surface area of a standard multi-point window lock – making it our most secure lock ever.




    Gallery of our casement windows


    Click an image below to go to see all our latest projects

    Guaranteed for peace of mind
    We offer a range of comprehensive guarantees including lifetime against fog, condensation and discolouration. Plus, our guarantees are transferrable should you sell your property.
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    Why choose a uPVC casement window?


    uPVC Casement Windows are virtually maintenance free, and will never flake, rust or rot. uPVC windows are made-to-measure and expertly installed for a millimetre tight fit, giving you a strong, secure and energy-efficient window. In fact, uPVC casement is our most thermally efficient window with triple glazing achieving a A++21 rating and our most secure window ever with the addition of GrabLock.

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    Why choose a timber casement window?


    Our timber casement windows are precision crafted to perfection. Traditional framing options offer balanced sightlines and smoothweld technology, making the joints almost invisible. Micro-porous paint and stain finishes help keep your timber casement windows protected from the elements, so they look their best for years to come.

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    Why choose an aluminium casement window?


    Aluminium casement adds a touch of style to any property, with our slimmest profile and a range of modern colours. The exquisite slim frame allows for a wider glass area to let the light flood in. Two-colour options add some style points with black on the outside and white on the inside, giving a lighter appearance in your home