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VELUX Support
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Featured self-help guides
Get support by product
Get support by topic
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VELUX support on YouTube
Services related to product configuration and installation
Featured self-help guides
Find self-help guides for the most common product issues.
What should I do when my windows appear to be leaking?
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Important product safety warning & replacement information for CVU flat roof window
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Get support by product
Find support information on VELUX products - from installation instructions and guides, operation and maintenance tips, to troubleshooting and repair advice.
Get support by topic
Find support information on product return, window registration, maintenance, and much more.
Products and pricesSee our products and information regarding price.
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Buy blinds and accessoriesFind and order blinds and accessories for your VELUX product.
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Product returnRegister a return for your VELUX product.
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Window registration Register your VELUX roof windows.
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After sales serviceRequest assistance on an existing product, including troubleshooting.
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Care and maintenanceTips on use and maintenance of your VELUX product.
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CE/UK CA markingFind the Declarations of Performance (DoP) for your specific VELUX product.
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Product complianceFind compliance documentation for VELUX products.
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CVU product warningInformation on safety issue with CVU flat roof window.
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Pane product warningInformation on safety issue with spontaneous glass breakage.
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VELUX guaranteeRead about our product guarantee.
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FAQ

Find answers to the most common questions.

What sizes are VELUX roof windows available in?

VELUX roof windows and flat roof windows come in a variety of sizes to suit any project.

View full size chart

How do I find the right size to replace my old roof windows?

Our size chart includes replacement sizes, but for a quicker and easier experience.

Try our Roof Window Configurator

How do I find a spare part for my VELUX products?

We have an online Spare Parts Shop to help you quickly and easily find the spare part you require.

Buy spare parts online

Can I buy anti-heat shutters and blinds for my roof windows?

Yes we have a range of anti-heat solutions for your roof windows, you can view our different solutions and purchase directly here:

Buy VELUX blinds, shutters and accessories online

VELUX support on YouTube

Check out our official YouTube channel for product installation and support.

Visit VELUX support on YouTube
VELUX Installation & Advice (YouTube Channel).png
Learn about our services related to product configuration and installation
VELUX Design Service
Installation and replacement service
Find a VELUX Certified Installer
Roof window configurator
How can we help you?
Need further assistance?
If you are not sure how to proceed or you can’t find what you are looking for,  get the help you need.
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