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![Keylite 8mm Slate Flashing]( "Keylite 8mm Slate Flashing")
Keylite 8mm Slate Flashing
£62.25 - £88.50 each (Ex VAT)£74.70 - £106.20 each (Inc VAT)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 KYL Loft Ladder (L)1200mm 4-Segment 3200mm Ceiling Height]( "Keylite KYL Loft Ladder (L)1200mm 4-Segment 3200mm Ceiling Height")
Keylite KYL Loft Ladder (L)1200mm 4-Segment 3200mm Ceiling Height
This Keylite Ceiling Height 3200mm Loft Ladder is intended to make your life simpler with pre-installed Flick-Fit brackets that allow installation from below the loft. Likewise, heat loss from the loft ladder is also reduced by a continuous seal around... -
![Keylite 15mm Plain Tile Flashing]( "Keylite 15mm Plain Tile Flashing")
Keylite 15mm Plain Tile Flashing
£66.00 - £90.00 each (Ex VAT)£79.20 - £108.00 each (Inc VAT)The 15mm Plain Tile Flashings are the most efficient way to ensure a watertight installation for your windows and have been designed to integrate efficiently with specific roofing materials. The installer-friendly instructions and one-piece bottom apron... -
![Keylite 2m Opening Pole]( "Keylite 2m Opening Pole")
![Keylite 2m Opening Pole]( "Keylite 2m Opening Pole")
Keylite 2m Opening Pole
The Keylite Telescopic Window Pole allows you to manually control your Keylite roof windows and blinds with ease. The telescopic pole extends up to 2m. The Keylite opening pole can also be used for the control of Keylite blinds. -
![Keylite 3m Window Opening Pole]( "Keylite 3m Window Opening Pole")
![Keylite 3m Window Opening Pole]( "Keylite 3m Window Opening Pole")
Keylite 3m Window Opening Pole
The Keylite Telescopic Window Pole allows you to manually control your Keylite roof windows and blinds with ease. The telescopic pole extends up to 3m. The Keylite opening pole can also be used for the control of Keylite blinds. -
![Keylite 45mm Tile Flashing]( "Keylite 45mm Tile Flashing")
Keylite 45mm Tile Flashing
£62.25 - £88.50 each (Ex VAT)£74.70 - £106.20 each (Inc VAT)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]( "Keylite 45mm Tile Roof Flashing")
Keylite 45mm Tile Roof Flashing
£66.00 - £91.50 each (Ex VAT)£79.20 - £109.80 each (Inc VAT)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 Roof Flashing]( "Keylite 8mm Slate Roof Flashing")
Keylite 8mm Slate Roof Flashing
£66.00 - £102.00 each (Ex VAT)£79.20 - £122.40 each (Inc VAT)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]( "Keylite 90mm Deep Tile Flashing")
Keylite 90mm Deep Tile Flashing
£72.75 - £110.25 each (Ex VAT)£87.30 - £132.30 each (Inc VAT)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 Roof Window White Painted WCP HT]( "Keylite Centre Pivot Hi Therm Roof Window White Painted WCP HT")
![Keylite Centre Pivot Hi Therm Roof Window White Painted WCP HT]( "Keylite Centre Pivot Hi Therm Roof Window White Painted WCP HT")
Keylite Centre Pivot Hi Therm Roof Window White Painted WCP HT
£241.50 - £427.50 each (Ex VAT)£289.80 - £513.00 each (Inc VAT)Keylites most versatile window, suitable for single or multiple applications in any roof with a pitch of 15-90. The opening handle is conveniently placed at the top of the window and also controls ventilation, giving the option of fresh air flow even... -
![Keylite Centre Pivot Hi-Therm Glazed White Finished Window]( "Keylite Centre Pivot Hi-Therm Glazed White Finished Window")
Keylite Centre Pivot Hi-Therm Glazed White Finished Window
£264.00 - £453.75 each (Ex VAT)£316.80 - £544.50 each (Inc VAT)Keylite Centre Pivot Hi-Therm White Finished Glazed Window has an integrated, expanding thermal collar which prevents condensation and reduces heat loss. Extremely moisture resistant, making it the ideal, maintenance-free solution. Allows easy access to... -
![Keylite Centre Pivot Hi-Therm Glazed Window]( "Keylite Centre Pivot Hi-Therm Glazed Window")
Keylite Centre Pivot Hi-Therm Glazed Window
£254.25 - £268.50 each (Ex VAT)£305.10 - £322.20 each (Inc VAT)Keylite Centre Pivot Hi-Therm Glazed Window has an integrated, expanding thermal collar which prevents condensation and reduces heat loss. Extremely moisture resistant, making it the ideal, maintenance-free solution. Allows easy access to the outer... -
![Keylite Centre Pivot Hi-Therm PVC]( "Keylite Centre Pivot Hi-Therm PVC")
![Keylite Centre Pivot Hi-Therm PVC]( "Keylite Centre Pivot Hi-Therm PVC")
Keylite Centre Pivot Hi-Therm PVC
£302.25 - £519.75 each (Ex VAT)£362.70 - £623.70 each (Inc VAT)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... -
![Keylite Centre Pivot Thermal Glazed Window 550 x 1180mm]( "Keylite Centre Pivot Thermal Glazed Window 550 x 1180mm")
![Keylite Centre Pivot Thermal Glazed Window 550 x 1180mm]( "Keylite Centre Pivot Thermal Glazed Window 550 x 1180mm")
Keylite Centre Pivot Thermal Glazed Window 550 x 1180mm
The Keylite Centre Pivot range is the most commonly specified and versatile of all Keylite Roof Windows. The Keylite CP Roof Window can be installed in any sloping roof with a pitch 15°-19° making it a simple and cost effective way of bringing natural... -
![Keylite Centre Pivot Thermal PVC]( "Keylite Centre Pivot Thermal PVC")
![Keylite Centre Pivot Thermal PVC]( "Keylite Centre Pivot Thermal PVC")
Keylite Centre Pivot Thermal PVC
£276.75 - £475.50 each (Ex VAT)£332.10 - £570.60 each (Inc VAT)Keylite 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 for... -
![Keylite Fire Escape Hi-Therm PVC]( "Keylite Fire Escape Hi-Therm PVC")
Keylite Fire Escape Hi-Therm PVC
£459.00 - £717.00 each (Ex VAT)£550.80 - £860.40 each (Inc VAT)This specific Keylite window is Ideal for low pitched roofs due to the fact that the roof window extends outward, enhancing the amount of sunlight entering the room without intruding on important interior space. In the case of an emergency, the window... -
Keylite Flat Roof Latern
£1,322.00 - £2,802.00 each (Ex VAT)£1,586.40 - £3,362.40 each (Inc VAT)Keylite Flat Roof Lanterns provide a traditional timber look with all the advantages of a thermally broken aluminium construction. Precision engineering, optimisation and modern manufacturing techniques have created a beautifully proportioned, thermally... -
![Keylite KYL08 Loft Ladder (W)700 x (L)1200mm 3-Segments 2800mm Ceiling Height]( "Keylite KYL08 Loft Ladder (W)700 x (L)1200mm 3-Segments 2800mm Ceiling Height")
![Keylite KYL08 Loft Ladder (W)700 x (L)1200mm 3-Segments 2800mm Ceiling Height]( "Keylite KYL08 Loft Ladder (W)700 x (L)1200mm 3-Segments 2800mm Ceiling Height")
Keylite KYL08 Loft Ladder (W)700 x (L)1200mm 3-Segments 2800mm Ceiling Height
This Keylite 700x1200mm Ceiling Height 2800 Loft Ladder is intended to make your life simpler with pre-installed Flick-Fit brackets that allow installation from below the loft. Likewise, heat loss from the loft ladder is also reduced by a continuous seal... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 1140 x 1180mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 1140 x 1180mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 1140 x 1180mm
The Keylite 1140x1180mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 1400mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 1400mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 1400mm
The Keylite 1340x1400mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 980mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 980mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 1340 x 980mm
The Keylite 1340x980mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to protect... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 780mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 780mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 780mm
The Keylite 550x780mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to protect... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 980mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 980mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 550 x 980mm
The Keylite 550x980mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to protect... -
![Keylite Pine Centre Pivot Hi-Therm Premium Electric 660 x 1180mm]( "Keylite Pine Centre Pivot Hi-Therm Premium Electric 660 x 1180mm")
Keylite Pine Centre Pivot Hi-Therm Premium Electric 660 x 1180mm
The Keylite 660x1180mm natural pine premium electric roof windows are manufactured from FSC certified pine and up-hold some of the best quality pine windows in the industry. Keylite natural pine windows come coated with a clear lacquer coating to protect...
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!