Yale Locking System

Willow Windows is now offering a new security locking system on all Double Glazed uPVC windows products. We have gone with the new security locking system to increase the durability and value you receive by dealing with Willow and our high-quality products.

Key Benefits of the "New" Yale Blade Security Locking System

  • Improved security lock with aluminium construction providing enhanced security
  • Longer life expectancy and simplified maintenance providing peace of mind
  • Tested to BS EN 1670 Grade 4 (240 hours NSS) and endurance tested to 30,000 cycles
  • Exceeding PAS24 requirements, the lock also comes with Secured by Design accreditation
  • Best of all, Yale Blade even comes with a 12-year mechanical guarantee

Yale Bi-Directional Blade


We are now offering the Yale Blade Bi-Directional Window Lock on all our new orders. This improved security locking blade has aluminium construction, providing enhanced security, longer life expectancy and simplified installation and maintenance.

Yale Encloser


The Yale Encloser window lock delivers Secured-by-Design security with extremely fast fitting and absolutely no cropping. It's designed to work with all our uPVC window products at Willow Windows.

We hope you found the information provided on this page useful. If you require any further technical assistance in regards to your requirements or just have a question, please contact our sales team:

Call us: 01245 363060