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Fixed Flat Roof Windows

Fixed flat roof windows are the choice for where security might be a concern or where there is already plenty of ventilation.

If you’re looking to invite more natural light into your home, then you can’t go wrong with the fixed flat rooflights we have available, in domed and flat-glass styles.

Thanks to the flat roof windows’ position, this glazing element removes the barrier between the sun and your interior, resulting in fantastic light transference.

As well as being extremely thermally efficient, flat roof windows also come in a variety of styles – including fixed.

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What are the benefits of fixed flat roof windows?

If your main aim is to create a light and bright interior, then a fixed flat roof window could be the ideal solution.

Perfect for areas of the home that don’t require additional ventilation, fixed flat roof windows provide a solid sheet of glass directly above your living space. Our fixed rooflights for flat roofs will help to make your home feel more spacious.

Our fixed flat rooflight’s fixed glazing is also incredibly durable and robust, with some walk-on models capable of withstanding extreme loads.


We have teamed up with some of the best brands in the glazing industry, in order to offer our customers fixed flat rooflights of the highest quality.

We stock the full range of non-opening roof windows from Velux, Keylite, Fakro, three companies celebrated for their exceptional designs.

Our glazing suppliers are known for producing unique and innovative flat roof windows, which is why we’re able to offer our customers a comprehensive array of models to suit all projects, needs and budgets.


With so many diverse styles of fixed roof windows on offer, our customers can specify a fixed flat roof window that ticks all the right boxes.

Whether you’re looking for petite domed windows or a large sheet of walk-on glass, we have a fixed flat rooflight that’s right for you. Fixed skylights also offer simplicity and a readily affordable price.

Choose any of our non-opening roof windows to help bring natural light into your home.

What different models of fixed flat roof windows are available?

While the Keylite Flat Roof Dome Fixed Frosted window comes with patented security screw bolts and an expandable thermal collar for ultimate insulation, the Fakro Roof Window DXFD U8 Secure Non-Opening Quadruple Glazed ‘Passive’ Flat-Glass features four sheets of anti-burglary glass and such excellent thermal powers that it is suitable for use in passive buildings.

No matter which fixed flat roof window you choose, from Fakro to Keylite fixed roof windows, you’ll be guaranteed a premium product that has been properly vetted for quality, durability and performance.

Many of our models can also be installed straight from the box in minutes, allowing you to achieve the home you’ve always dreamed of, in no time at all.


When you buy fixed roof windows or any other product from Roof Window Outlet, you will be investing in a quality product from a highly respected and trustworthy source. Thanks to our partnership with the best names in the business, we are able to offer our customers a full, 10-year manufacturer’s guarantee on every single roof window.

What’s more, many of our windows also come with approval from the Forest Stewardship Council (FSC) and the UK’s leading construction certification body, the BBA.

This means you will not only be investing in a quality window, but one that has come recommended by some of the UK’s most respected industry bodies.

When you choose Roof Window Outlet, your home is in safe hands.


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