Double windows, double light
With the slim profiles of the 2in1 roof window, you get a sleek and stylish look that maximises the amount of daylight entering the room.
2in1 roof window
Introduce extra daylight, fresh air and a greater feeling of spaciousness with the 2in1 roof window. This double VELUX window is ideal for medium-sized rooms and a cost-effective addition to any home.
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Product highlights
Where there's space for one window, there's often space for two
Double the daylight in your room without doubling the price. The VELUX 2in1 window is a cost-efficient way to transform your home.
Matches your style
The unique 2in1 roof window design is available in symmetric and asymmetric variants so it blends in with the look and design of your room.
Effortless enjoyment
Electric roof windows offer a quick and easy way to air out your room at the touch of a button.
Love daylight? See the effect of more
30% regret not installing enough windows
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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
The white painted finish looks great with all interiors.
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
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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
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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.