Transform spaces with a dramatic increase in natural daylight
A traditional dormer consists of a window and roof combination, whereas the VELUX dormer uses windows in place of the roof. This provides much more natural light into the room.
Dormer
The VELUX dormer transforms spaces with a dramatic increase in natural daylight and an amazing feeling of openness. This innovative alternative to traditional dormers increases usable space while creating a bright and airy atmosphere.
Product details
From £9,338.40 incl. VAT
Price for the smallest dormer roof window system duo, incl. flashing and base unit, excl. installation costs.Product highlights
Installation without a permit
The VELUX dormer can be installed without a permit in most situations as the dormer does not protrude further than 60 cm from the roof surface.
Product options
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.
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.