Stormsure Casement Windows

The popular JELD-WEN casement window range has stood the test of time. Stormsure Casement Windows are known and trusted by specifiers across the country. The range is available in softwood, hardwood and oak unfinished and fully finished in a full range of colours and U-Values.

Standard & Bespoke Size Options for Stormsure Casement Windows

Our JELD WEN Stormsure windows not only provide protection and performance in the face of the elements but a modern and sleek window design, too. Whether you live in a remote location that is prone to a battering from a storm or simply want to enjoy the lower U-values afforded by stormproof casement windows, they’re a great investment for your home. If you have a design in mind, we can create bespoke windows for your project.

Within our range of windows are a variety of options to suit any budget and project. Crafted here in the UK, JELD-WEN Stormsure windows are finished to a super high quality. Traditional craftsmanship meets modern innovation in this range with premium timber used throughout. Get in touch to find out more.

Get a Quote on Stormsure Casement Windows Today!

Use our quick quote form to get an idea of price. With bespoke designs and options available throughout the Stormsure windows range, enjoy free delivery to any address on the UK mainland!

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Why Choose Stormsure Casement Windows?

Guaranteed to Last

JELD WEN Casement Windows feature premium materials and long guarantees for extra peace of mind. Safe from storms, safe from rot and defects.

Super-Efficient Performance

Low U-Values means our range of JELD WEN Stormsure Windows is easy on your bills.

Protect Yourself From The Elements.

Stormsure JELD-WEN Casement Windows are designed to withstand whatever Mother Nature may throw at them.

Product Information

Stormsure casement windows come in the following designs:

  • Plain Casement Windows
  • Victorian Bar
  • Cottage Bar
  • Horizontal Bar
  • Deco Bar
  • All Bar Casement
  • Regency

It’s not just a case of protecting your home from storms and inclement weather, our casement windows come in seriously stylish designs, bolstering your home’s aesthetic appeal. Offering a modern edge, these are available in standard and bespoke sizes. They’re externally beaded and the sash opens outwards. Available in FSC softwood, PEFC hardwood and FSC oak with Hardex polished chrome handles and espagnolette multi-point locking as standard.

Double glazed 24mm low E insulated glazing, with a range of gas-filled options depending on whole window U-value required. Standard 158mm nominal sill size with alternative special sizes of 93mm sub sill, 133mm sill for most replacement windows, 183mm extended sill and 208mm extended sill. All sills are available in hardwood, oak or softwood and dimensions are nominal.


  • U-value ranging from 1.3 – 1.4W/m²K
  • Exposure rating of 2000Pa
  • Air Permeability class 4
  • Tested to BS6375 Part 1 2004 Performance of windows and doors
  • Tested to BS6375 Part 2 1987 Operation and strength performance
  • Available tested PAS 24 option

Need Help?

If you have any questions or queries you’d like to run by us, please feel free to get in contact today and we’d be happy to help you out!


01205 363 999