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Make the most of your extension

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Twice the Daylight

Our sloping roof windows can bring in twice as much daylight as vertical windows of the same size, making both your original space and your extension feel so much brighter by allowing daylight to reach deeper into your home.

Flat roofs or sloped roofs

You don’t have to compromise your vision to get the best solution - VELUX designs roof windows for flat roofs and sloped roofs. Create the perfect extension and then add the windows that best fit your vision.

Creating an airy living space

VELUX roof windows replace stuffy, stale air with fresh air from outside and also help the flow of air throughout your house.

Daylight adds value

Adding VELUX roof windows to your extension project is one of the best ways to bring the magic of natural daylight and fresh air into your home. It’s an investment that the whole family can enjoy and will add considerable value to your home.

Make the most of your extension

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Extension Mini-Guides

Our Extension Mini-Guides are filled with hints and tips for making the most of your extension with VELUX roof windows. Select the ebook below that matches your project to learn more about how you can integrate VELUX roof windows into your extension.

Extension E-book

Extension E-book

Our Extension Mini-Guides are filled with hints and tips for making the most of your extension with VELUX roof windows. Select the ebook below that matches your project to learn more about how you can integrate VELUX roof windows into your extension.

Follow the VELUX way to bring more daylight into your home

The process towards your new flat roof window solution is easier than you think. Have a quick look at these 3 steps

Gather inspiration for your project

VELUX Roof windows let in more natural light to make your home brighter and more spacious. See how others have transformed their homes and get inspired by our customer testimonials.

Discover roof window solutions

Get started

A successful extension project requires the right planning and the right help. We can help you every step of the way, from who to contact and how to budget, and much more.

Get guidance for your project

  1. Chat with our support team 
    Tell us about your dreams and we will guide you from there.
  2. Consult a VELUX Certified Installer  
    Tell an authorised installer about your dreams and they will guide you from there.
  3. Explore our products

Your project, your call

It’s your dream, and we’re here to make it come true. Add blinds for comfort or upgrade to a VELUX Active automated solution for the ultimate in indoor comfort.

Make your decision

  1. Consult a VELUX Certified Installer 
    Get free counseling or price offers from our VELUX Certified Installers.
  2. Do it yourself
    Contact an authorised VELUX dealer to purchase all your products.
  3. Find installation guides and videos 



Get free project advice

If you’re planning a project right now, whatever stage you’re at, the Daylight Experts in our Project Support Team are on hand to help – free of charge.