Double windows, double light
With a Duo window combination, you open up the room to the outdoors and maximise the amount of daylight that comes in.
Side-by-side solution
Introduce extra light, fresh air and a greater connection to the outdoors with a Duo combination. This double roof window solution is ideal for medium-sized rooms and a great addition to any home.
Product details
From €1,952.01 incl. VAT
Price for the smallest window size, including flashing set, excl. installation costs.Product highlights
Where there's space for one window, there's often space for two
Double the daylight in your room with a Duo combination. This double window solution is a great way to transform your home with a wider view and greater feeling of spaciousness.
Effortless enjoyment
VELUX electric roof windows let you bring the fresh air in at the touch of a button.
Full design flexibility
You can combine any VELUX roof windows to fit your roof construction and the look and style of your room.
Love daylight? See the effect of more
30% regret not installing enough windows
Product options
Electric window
All electric windows can be easily operated with the wall switch. You can air out with confidence as the integrated rain sensor automatically close the window if it rains.
Manual window
Use the convenient handle to open and close the roof window. It also features a ventilation flap that lets you air out the room even when the window is closed.
Interior finish
Choose the interior finish that works best in your indoor space.
Energy efficient glazing
To make indoor living even more comfortable, VELUX roof windows deliver optimal energy efficiency and noise reduction.
The window sizes your home needs
The amount of windows are fundamental to how the space will look and feel. For optimal comfort we recommend that the window(s) represent 15-20% of your room floor area.
Roof window configurator
Find a solution and determine the price
Configure your roof window solution including price and request a quote directly from a VELUX Certified Installer.
Free App Control and Extended Guarantee
Get a free VELUX App Control and extended 5 + 5 year guarantee with every purchase of a sloped solar or electric roof window. Our solar and electric roof windows provide you with an easy and convenient way to ventilate your room and control the air quality.
Starting a new project
Get a free and non-binding design proposal for your home
Get expert advice
Do you have a home improvement project in mind, but don't know where to start? We’re here to help.
Get help with your installation or replacement project
Get installation service
Whether you are replacing old roof windows or installing new ones, we offer a seamless installation by a VELUX Certified Installer.
Technical resources for professionals
Are you a planner, architect or installer? Find easy-to-use installation guides and data sheets, BIM objects and CAD drawings for your project.