Stormproof Casement Window Installation Specialists

Here at Benchmark Windows, we understand the importance of having efficient, high-quality windows in the home. Not only do they need to provide protection from the elements, but they should also look stylish as well.

We can provide bespoke lipped casement windows in PVC-U, Timber, and Aluminium, and all incorporating modern engineering for modern, traditional, or contemporary mouldings; So regardless of your individual style or preferences, we can provide high-quality stormproof casement windows that will suit your home and preferences.


Our lipped casement windows are a very popular design option, thanks to their unique ability to exclude draughts and moisture. They include a casement that slightly overlaps the face of the frame when closed, which may offer additional protection against the weather in areas of extreme exposure.
When you choose our lipped casement windows, you’ll have added peace of mind knowing that your new windows can withstand the elements. Lipped casement designs can also provide your home with the sleek and stylish finish you’d hope to achieve with new windows, without compromising on practicality.

Although stormproof casement windows are visually different from our Flush Casement windows, they feature the same advanced technology and are available in various sizes and colours.


If you’re set on the idea of purchasing bespoke lipped casement windows, you may still be unsure of the most reputable supplier. Here at Benchmark Windows, we’re proud to be lipped casement window specialists, offering superior installation services. We will provide you with a full service, from design, supply, and installation, all the way to aftercare. Choose us for your lipped casement window installation and you will benefit from:

  • Energy Efficiency
  • Warp Resistance
  • Double or Triple Glazing
  • Low Maintenance
  • 10 Year Guarantee

Whatever type of property you have – whether it is modern or traditional – bespoke lipped casement windows can add both sophistication and charm to your home. Offering supreme protection from the elements, these windows are particularly suited to homes situated in very exposed areas.

When you choose our first-rate lipped casement window installation services, you’re guaranteed to receive optimum functionality from your new windows.

Visit our Showroom in Lancing, West Sussex near Brighton and Worthing to view our range of bespoke lipped casement windows. To discuss the installation process in further detail, please call us on 01903756699 and speak to a member of our friendly and knowledgeable team.

With a state of the art showroom in Lancing and no doubt another quality installation near to you already, we hope that you will consider us for your project.

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