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At Alex Trade, we supply uPVC windows made from both the Kömmerling 70mm Gold Chamfered (C70) and Ovolo (O70) system. Our uPVC windows are available in a range of configurations and can be customised to meet any project’s specifications.

Follow the simple steps on our uPVC casement window builder to select the configuration you’d like, then use our secure checkout to ‘buy now’.

Please note that we also supply a full range of sash and case, as well as flush sash windows. If the window style you’d like isn’t on our builder, please contact us on 0161 482 2323.

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  • Window
    Product Summary
  • Clipboard
  • Quick Turnaround
    Delivery Information
  • Support Hub
    Technical Support
  • Product Summary

    Supplying both the Chamfered (C70) and Ovolo (O70) range, gives you great choice to ensure that you can find the perfect window to suit your house. Chamfered offers a squarer looking window profile, whilst Ovolo is more curved. We’ve got a huge range of casement windows available to order online.

    Kömmerling offer a high performing casement window system, which are extremely easy to install and maintain. This makes Kömmerling C70 and O70 a popular choice with homeowners and installers alike.

    Take a look at the range we’re offering to help you design and specify your casement windows.

    View Our Kömmerling Range


    We’ve listed the key features of Kömmerling C70 and O70 below, however feel free to take a look at the brochure download for more information.

    • Chamfered (C70) available in 19 colours
    • Ovolo (O70) available in 14 colours
    • High quality furniture available in white, gold, satin, chrome and black
    • Choice of either clear or obscure glass
    • 10 year guarantee for peace of mind
    • ‘A’ Window Energy Rating (WER)
    • U-values as low as 1.4 W/m²K
    • British Standards compliant and building regulations approved

    This brochure shows the full Kömmerling range. Only some of these products are available to buy online. Contact us if you would like to order products that aren’t available on our website.

    Kömmerling Brochure 

    Delivery Information

    For a quicker turnaround time, your uPVC casement windows can be collected from our branch in Stockport within as little as 5 days, depending on the colour. We will confirm the final lead time at point of order confirmation.

    If you’re happy to wait slightly longer for your product, then we’re delighted to offer local delivery within 30 miles of our office in Stockport. Checkout our postcode catchment area to see if delivery is available for you. Local delivery is charged at £40.

    Postcode Check 

    Technical Support

    We’ve put together helpful content on how to measure and fit Kömmerling uPVC windows.

    Our support hub consists of measurement and survey sheets, full supplies checklist and installation downloads to make life as easy as possible for you. We want you to feel confident fitting our products.

    If you find yourself needing further assistance, or decide you’d like a supply and fit option instead, please contact our Alexander Windows retail division on 0800 954 2500.

    Visit Support Hub 

    Get started with your Kömmerling uPVC Windows order

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