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All Flat Roof Windows

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 (we also offer a flat roof skylight!). This without compromising the layout or design of your home….Read more here.

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What are the benefits of Flat Roof Windows?

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!

How to choose between Flat Roof Windows?

While it can be tricky to decide between the right Flat Roof Windows, we are here to help tailor these for you – and we have a full availability: electric flat roof windows, flat roof dome windows, fixed flat roof windows and a flat roof skylight type. Shop the range below.

What distinguishes your brands offered?

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 are 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. There are options to choose between flat roof dome windows or fixed flat roof windows of each brand we offer. 

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. 

Are electric Velux Flat Roof Windows available?

Yes and more -from curved glass that maximises the sunlight that enters your room, to highly intuitive electric roof lights or electric flat roof windows 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. 

Are Fakro Flat Roof Windows long lasting?

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

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.

Is Keylite a recognised brand of 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. 

Mardome Flat Roof Windows

Mardome designs and manufactures all of its products in Coventry, UK. 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.

Do Mardome Flat Roof Windows come with a warranty?

Every single Mardome Flat Roof Window comes with a 10-year guarantee. So you can rest assured that you’re investing in the highest quality windows.


With a style to suit all manner of projects and budgets.  Whether hinged or non-opening, manual or electric, domed or flush. We have a flat roof window to suit you and your project.

Are all ranges of flat roof windows available?

Yes – 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. 

Can I choose the finish?

Absolutely! We have double, triple and passive elements and a range of interior and exterior finishes. 

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