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Roof Windows

Roof windows by VELUX and Keylite roof windows. Bring light into your home in style.

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  • Keylite 45mm Tile Flashing 780 x 980mm

    Keylite 45mm Tile Flashing 780 x 980mm

    The Keylite Single Flashings 45mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 45mm Tile Roof Flashing 550 x 1180mm

    Keylite 45mm Tile Roof Flashing 550 x 1180mm

    Keylite Tile Roof Flashing Kits are the most efficient way to ensure a watertight installation for your windows and have been designed to integrate efficiency with specific roofing materials. Flashing for single window installation into interlocking...
  • Keylite 45mm Tile Roof Flashing 940 x 1600mm

    Keylite 45mm Tile Roof Flashing 940 x 1600mm

    Keylite Tile Roof Flashing Kits are the most efficient way to ensure a watertight installation for your windows and have been designed to integrate efficiency with specific roofing materials. Flashing for single window installation into interlocking...
  • Keylite 8mm Slate Flashing 1140 x 1180mm

    Keylite 8mm Slate Flashing 1140 x 1180mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 550 x 780mm

    Keylite 8mm Slate Flashing 550 x 780mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 550 x 980mm

    Keylite 8mm Slate Flashing 550 x 980mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 660 x 1180mm

    Keylite 8mm Slate Flashing 660 x 1180mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 780 x 1180mm

    Keylite 8mm Slate Flashing 780 x 1180mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 780 x 1400mm

    Keylite 8mm Slate Flashing 780 x 1400mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Flashing 780 x 980mm

    Keylite 8mm Slate Flashing 780 x 980mm

    The Keylite Single Flashings Slate 8mm Profile is the most effective way to assure a watertight installation for your windows, and they have been specifically engineered to combine with certain roofing materials. The installer-friendly instructions and...
  • Keylite 8mm Slate Roof Flashing 1340 x 1400mm

    Keylite 8mm Slate Roof Flashing 1340 x 1400mm

    The Slate Roof Flashing Kit is available in either 940x1600mm, 1340x980mm, or 1340x1400mm. They are the most efficient way to ensure a watertight installation for your windows and this kit allows for single window installation into slate up to 10mm thick...
  • Keylite 8mm Slate Roof Flashing 1340 x 980mm

    Keylite 8mm Slate Roof Flashing 1340 x 980mm

    The Slate Roof Flashing Kit is available in either 940x1600mm, 1340x980mm, or 1340x1400mm. They are the most efficient way to ensure a watertight installation for your windows and this kit allows for single window installation into slate up to 10mm thick...
  • Keylite 90mm Deep Tile Flashing 1140 x 1180mm

    Keylite 90mm Deep Tile Flashing 1140 x 1180mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 1340 x 980mm

    Keylite 90mm Deep Tile Flashing 1340 x 980mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 550 x 780mm

    Keylite 90mm Deep Tile Flashing 550 x 780mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 550 x 980mm

    Keylite 90mm Deep Tile Flashing 550 x 980mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 660 x 1180mm

    Keylite 90mm Deep Tile Flashing 660 x 1180mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 780 x 1180mm

    Keylite 90mm Deep Tile Flashing 780 x 1180mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 780 x 1400mm

    Keylite 90mm Deep Tile Flashing 780 x 1400mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 780 x 980mm

    Keylite 90mm Deep Tile Flashing 780 x 980mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Flashing 940 x 1600mm

    Keylite 90mm Deep Tile Flashing 940 x 1600mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Roof Flashing 1340 x 1400mm

    Keylite 90mm Deep Tile Roof Flashing 1340 x 1400mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite 90mm Deep Tile Roof Flashing 550 x 1180mm

    Keylite 90mm Deep Tile Roof Flashing 550 x 1180mm

    The 90mm Deep Tile Flashings are suitable for single window installations into a tiled roof that has a maximum profile of 45mm. The Flashing can be used with either interlocking plain or interlocking profiled tiles. They are suitable for roof pitches...
  • Keylite Centre Pivot Hi-Therm 1140 x 1180mm PVC

    Keylite Centre Pivot Hi-Therm 1140 x 1180mm PVC

    Keylite Polar White PVC offers the same simple installation features as the other Keylite varieties, with standard flick-fit brackets, an easy sash feature, and an incorporated thermal collar. Polar White PVC makes use of the existing Keylite flashings...

Roof Windows

Roof windows, often confused with skylights, are a great option for when you want to allow both light, fresh air and space into your home. A skylight is a fixed window that doesn’t open. Whereas roof windows do open, allowing the option to encourage fresh air movement as well as natural light.

At Howarth, we provide Velux windows and Keylite roof windows which come in a variety of finishes, styles and glazing options. They also have a vast majority of features, with examples including an expanding thermal collar, Flick-Kit brackets, Click Fit Hoods and Warm Edge Glazing. Roof windows come in different types, ranging from centre pivot roof windows, top hung/fire escape, and conservation. We also offer flat roof windows, which are manufactured to be high-quality, and pleasing to the eye.

We also offer several different finishes, such as Polar White PVC, white painted pine, and clear lacquered pine. Each finish has its own benefits, but no matter what you decide to choose, you can be sure that the roof window will transform and elevate the overall appearance of your room.

Velux often supply their windows as top or bottom windows, which solely depends on the angle of your roof to what window operation you will need. Centre pivot windows are suitable for roof pitches between 15-90 degrees; however, top hung windows are suitable for roof pitches between 15-55 degrees. Velux also offer control modes, such as manual, solar powered, and electric. Electric roof windows open and close with just one touch of the pre-paired wall switch, which is perfect for out of reach areas. Solar powered windows also offer this functionality, but you don’t need to plug it into a power supply, which makes installation even quicker than other control modes. The control modes for the roof windows are manual, electric kits with a wall switch, and premium electric kits with a rain sensor.

For further information and expert advice regarding roof windows, please contact your friendly local Howarth branch.

Frequently Asked Questions

How much does it cost to install a roof window?
Labour typically costs between £150 and £300.
Do I need planning permission for roof windows?
Many roof windows don’t require planning permission.
How many roof windows do I need?
The recommended rule we advise for effective daylighting is that a room’s glazing should be equivalent to 15-20% of the whole floorspace at a minimum.
How much are roof windows?
Typical roof windows, such as top hung and centre pivot, cost around £250 however can range from £80 to over £1000, depending on size, glazing options and frame materials.

How to Guides

What to consider when purchasing roof windows

A helpful guide featuring some of our most well-known roof window suppliers, Keylite and Velux!