JELD-WEN Stormsure Casement Windows

JELD-WEN’s Stormsure range offers excellent choice for personalisation – from colours and finishes to size and shape. The variety available combined with their high performance makes Stormsure casement windows one of the most popular JELD-WEN windows.

JELD-WEN Stormsure Windows

Our JELD-WEN Stormsure windows provide protection and performance in the face of the elements, as well as a modern and sleek window design. Whether you live in a remote or coastal 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. What’s more, JELD-WEN windows come in a selection of standard sizes or bespoke sizes. Bespoke windows will ensure a perfect fit for your home, even for unusually sized or shaped windows.

We understand that every home is different and you will want windows which match your property and tastes. JELD-WEN’s Stormsure casement windows come in a fantastic variety of styles, colours and finishes so you can pick the perfect window. From paint colours to glazing bar designs, the choice is yours. When it comes to materials, wood storm windows offer high performance with all the charm and aesthetic appeal of real timber. JELD-WEN Stormsure windows are available in engineered softwood or oak with a choice of finish.

Weatherproof Windows

First and foremost, JELD-WEN’s Stormsure range is designed to offer thoroughly weatherproof windows. Old or ill-fitting windows are often draughty and can even end up leaking water. With Stormsure windows, you can rest assured you are choosing a well insulated window with a strong U-value which offers great thermal efficiency as well as weatherproofing. Backed by JELD-WEN’s strong guarantees, you can be confident in the longevity of your windows even in the face of the elements. 

If you’re interested in JELD-WEN Stormsure casement windows, contact our team today. We can provide further information and answer any questions you may have.

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

Our stylish casement windows come in a variety of glazing bar designs. 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