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All Flat Roof Windows

The ideal choice for homeowners, tradesmen and architects, flat roof windows are one of our most popular products. And for good reason. Perfect for awkward, light-challenged rooms, they encourage natural light to flow through your indoor spaces. This without compromising the layout or design of your home….Read more….

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Intended to sit discreetly on horizontal surfaces, flat roof windows improve interior ventilation and light flow. They use your redundant ceiling space, making them popular with style-conscious buyers. They’re also highly thermally efficient, so will help you to retain your home’s warmth in winter. And rid it of excess heat during the summer months. Simply pick your preferred brand, style and size, and we’ll do the rest!


At Roof Window Outlet, we’re proud to offer the full range of flat roof windows from Velux, Fakro, Mardome and Keylite. Four renowned brands celebrated for their exceptional quality, industry-leading innovation and premium craftsmanship. With varying price points, our extensive collection of top-of-the-line flat roof windows gives an option to suit all projects.

Velux Flat Roof Windows

For more than 70 years, Velux has been at the forefront of the glazing game. Offering stunning windows that are now a quality benchmark throughout the sector. They have an extensive range to suit all requirements. Velux flat roof windows will allow you to achieve the finish you’ve always wanted. From curved glass that maximises the sunlight that enters your room, to highly intuitive electric roof lights that offer automatic operation, Velux has a product to meet your needs.

Fakro Flat Roof Windows

Since 1991, Fakro has been bringing innovation and dynamic designs to the roof window industry. As the world’s fastest growing manufacturer of sky lights, Fakro offers high quality glazing and fantastic value for money. From manual-opening domed flat roof windows with anti-burglary double glazing, to quadruple glazed ‘passive’ windows with exceptional thermal performance, Fakro’s windows are made to last.

Keylite Flat Roof Windows

If you’re looking for award-winning products from a highly regarded name, then Keylite delivers. As Europe’s fastest growing window manufacturer, Keylite offers an extensive range. complete with glazing elements and accessories to suit a range of budgets. Celebrated for their innovation and fantastic affordability, Keylite offers everything from domed flat roof windows with electric opening and frosted glass. And also classic roof window systems that can be installed straight from the box in just two minutes.

Mardome Flat Roof Windows

Mardome designs and manufactures all of its products in Coventry, UK, and every single one comes with a 10-year guarantee. So you can rest assured that you’re investing in the highest quality windows. Many of its products are approved by Secured by Design, a police initiative that improves the security of buildings. In this way your home and family will be in safe hands. Opt for a Mardome Hi-Light Manual Opening Double Glazed Roof Dome for a contemporary finish. Or a Flat Glass Electric Rooflight that can be operated via remote control –perfect for those hard-to-reach corners of the home.


We offer the full range of flat roof windows from each of our key manufacturers. So we’re able to provide our customers with endless possibilities when it comes to size, shape, transparency, operation and finish. With a style to suit all manner of projects and budgets. We have double, triple and passive elements and a range of interior and exterior finishes.  Whether hinged or non-opening, manual or electric, domed or flush. We have a flat roof window to suit you and your project.

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