How to Replace a uPVC Window Handle

Before you upgrade your uPVC window handles with a brand new replacement you should know what size window handle you need. Before you purchase your new shiny chrome or brass window handle check the size of your current one. The main measurement you are looking for is the spindle length. The spindle is the piece of metal that sticks out of the back of the window handle and connects directly into the uPVC window. see fig.1 

Spindle Lengths

Spindle lengths can come in various sizes. Depending on your uPVC window profile you may need one of the following – 10mm, 15mm, 20mm, 30mm or 40mm. The biggest and most common window handle size is 40mm. This means that if you purchase a window handle with a bigger sized spindle you can easily cut it down to fit. For example, if you require a 20mm spindle yet you have a 40mm option then simply mark down where the 20mm mark is and use a saw to cut it off.

Before assuming the handle itself is the only issue, it’s important to check the locking mechanism inside the frame. Over time, wear and tear can cause the gearbox or spindle to malfunction, making it seem like the handle is broken when the problem actually lies deeper within the window’s internal components. As explained in TGP Systems’ guide, Replacing uPVC Window Handles and Locks: A Practical Guide, understanding how the locking system interacts with the handle can save you unnecessary replacements and ensure lasting window security. The guide also highlights useful diagnostic tips for identifying when to replace just the handle versus when a full locking mechanism repair may be needed. (tgpsystems.com)

To see how you can easily replace your current window handle see our video below.

Check out the featured products from this article below 👇 Including Universal Window Handles - Maxim Multi-Spindle Inline

Diy home maintenanceHome securityReplacement guideUpvc window handlesWindow repair