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How to find your Velux ID code?

VELUX skylight windows are renowned for their quality and design, adding natural light and ventilation to any space. If you own a VELUX skylight, there may come a time when you need to know the window’s ID code.

This unique identifier is essential for ordering replacement parts, requesting customer service, or determining the specifications of your skylight. Here’s a comprehensive guide to help you locate and understand your VELUX skylight window ID code.

Where to Find the ID Code

The ID code for your VELUX skylight window is usually located on a metal or plastic tag attached to the window frame. The exact location can vary depending on the type of skylight you have. Here are the common places to look:

  1. Operable Skylights: Open the skylight and look at the top frame. The tag is typically on the side or bottom of the sash.
  2. Fixed Skylights: The tag may be located on the inner frame, visible when you look closely from inside the room.
  3. Older Models: For older skylights, the tag might be found under the window frame or along the edge of the glass pane.

What the ID Code Looks Like

The ID code is composed of several elements, which provide detailed information about your skylight:

Velux centre pivot window.
Velux ID code
  1. Model Number: Indicates the type and style of the skylight.
  2. Size Code: Specifies the dimensions of the skylight.
  3. Glass Type: Identifies the type of glazing used in the skylight.
  4. Production Code: A unique serial number that helps track the production history.

A typical VELUX ID code might look like this: GGL M08 3059. Here’s what each part means:

  • GGL: Model Type
  • M08: Size Code
  • 3059: Glazing Type
Velux centre pivot window with id code.

Frequently Asked Questions About Velux Window & Skylight ID Size Tags

The Velux window ID tag is a vital identifier for your window, containing essential details such as the window type, size, and other specifications. This information is crucial when you need services like installations, repairs, or when ordering accessories such as blinds.


The Velux window ID tag is typically located on the side of the window frame. While the exact placement may vary slightly, it is generally positioned in a visible and accessible spot. If you have trouble finding it, refer to our visual guide at the bottom of the page for assistance.


The details on the Velux window ID tag, including the window type and size, are essential for ordering accessories like blinds or when seeking services such as installations or repairs. This information ensures that the products or services you receive are precisely tailored to fit your window specifications.


Yes, most Velux window models come equipped with an ID tag. The appearance of the tag may vary slightly depending on the specific model, but it is a standardized feature provided by Velux and other reputable roof window manufacturers.


Absolutely! The information on the Velux window ID tag is versatile and can be used for various purposes. Whether you’re ordering accessories, scheduling installations, or seeking repairs, having this information readily available streamlines the process and ensures you receive accurate and tailored solutions for your window.

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