Stormsure Energy+ Casement Windows

Our JELD-WEN Stormsure Energy+ casement range comes with an A+ rating and U-values down to 0.8W/²m for the best in energy performance. Offering hugely efficient performance and robust protection against the elements. Our high performance casement windows are a great investment for your home.

High Performance Windows for Your Home

Made to measure here in the UK, our JELD-WEN Stormsure Energy+ range offers your home luxury appeal, classic design and massive thermal efficiency performance. They come triple glazed with pinless timber composite beading delivering a high-quality finish. Premium timber and top-quality glass is used throughout.

Our high-performance casement windows offer robust protection from the elements. If you live in a coastal area, or one that is prone to stormy weather, you’ll know that your windows can take a battering. The sturdy designs of our Stormsure Energy+ windows, coupled with triple glazing, offer you the protection you need! Contact us to enquire.

Free & Fast Delivery to UK Mainland Addresses!

With one of the fastest lead times available in the UK, you’ll get a free and quick turnaround on your made-to-measure windows. Get a quote today!

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Why Choose High-Performance Casement Stormsure Energy+ Windows?

Thermal Efficiency

These high performance windows offer an almost unrivalled thermal efficiency. Crucial for those biting winters!


JEN WELD triple glazed windows provide robust protection with safe & secure designs.

Fully Guaranteed

Long and comprehensive guarantees ensure you get the best from your windows for many decades. Quality is assured and integrity guaranteed.

Product Information

The designs available in this range are:

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

Our Stormsure Energy+ windows don’t just offer comprehensive protection from storms and other inclement weather, but they are a seriously stylish design option for your project. Available in standard and bespoke sizes, they’re made to measure here in the UK.

Featuring triple glazed glass with a black warm edge spacer bar as standard, a multi-point locking system is built in with projecting hinges. The factory glazed windows are completely CE marked and premium timber is used throughout the range. All timber is FSC Chain of Custody certified.


  • U-value ranging from 1.3 – 1.4W/m²K
  • Triple Glazing 36mm
  • PAS 24 Security tested
  • Engineered Softwood

Help Needed?

Don’t hesitate to get in touch if you want to discuss any of our products. We can help you with any queries you may have or you’re welcome to visit our showroom and browse our range in person!


01205 363 999