Velux Window Installation within Cornwall & Devon
The Velux Range
Velux roof windows can be fitted into different degrees of roof pitch. The minimum being 15 degrees and the maximum being a vertical roof face of 90 degrees. Each Velux window model has a different minimmum and maximmum pitch. None of the Velux windows that we currently fit are suitable for flat roofs.




Please note we do not offer a supply only service. We offer installation with supply or installation only.
Velux GGU
Centre Pivot
White Polyurethane Finish
The elegant white polyurethane EVER finish window has a stylish white finnish and rounded corners for a contemporary look. This Velux window is resistant to humidity and condensation. As a result it is ideal for humid rooms like bathrooms or kitchens and is easy to wipe clean. Rotates 180 deg for easy cleaning. Velux GGU can be installed in roof pitches between 15° - 90° .
Available in 10 sizes (cm)
55x78, 55x98, 66x118, 78x98, 78x118, 78x140, 94x160, 114x118, 134x98, 134x140
Available in 4 glass variations
GGU 0059 Toughened outer pain
GGU 0034 Obscure glazing, toughened outer pane
GGU 0073 Laminated inner pane with clear and clean coating on toughened outer pane
GGU 0065 Triple glazing, lowest U value & noise reduction. Laminated inner pane with clear and clean coating on toughened outer pane.
Further information on glazing options can be viewed here
Velux GGL
Centre Pivot
Pine Finnish
The Velux GGL is remarkably tough and durable and finished with a clear varnish to enhance the pine's aesthetic appeal. GGL can be installed in roof pitches between 15° - 90°. The window has an easy to use top control bar for opening and ventilation purposes.
Available in 10 sizes (cm)
55x78, 55x98, 66x118, 78x98, 78x118, 78x140, 94x160, 114x118, 134x98, 134x140
Available in 4 glass variations
GGL 3059 Toughened outer pain
GGL 3060 Improved U-value toughened outer pane with clean and clear coating and laminated inner pane for additional safety.
GGL 3073 Laminated inner pane with clear and clean coating on toughened outer pane
GGL 3065 Triple glazing, lowest U value & noise reduction. Laminated inner pane with clear and clean coating on toughened outer pane.
Further information on glazing options can be viewed here
Velux GPL
Top-Hung
Pine Finnish
Emergency Escape/Access*
Combines the dual function of a top-hung roof window with an emergency escape / access. For compliance to the building regulations. The window is remarkably tough and durable and finished with a clear varnish to enhance the pine's aesthetic appeal. The GPL can be installed in all roofing materials in roof pitches between 15° and 55°, or up to 65° with special springs.
Available in 5 sizes (cm)
78x118*, 78x140*, 94x160*, 114x118*, 134x140*
Available in 2 glass variations
GPL 3059 Toughened outer pain
GPL 3073 Laminated inner pane with clear and clean coating on toughened outer pane.
Further information on glazing options can be viewed here
Velux GPU
Top-Hung
White Polyurethane Finish
The Velux GPU is ideal for lower pitched roofs as the window will not intrude into the room. The EVER finish window is resistant to humidity and condensation. As a result it is ideal for humid rooms like kitchens or bathrooms. Installation is possible for roof pitches between 15° and 55°, or up to 65° with the use of special springs.
Available in 8 sizes (cm)
55x98, 66x118, 78x98, 78x118, 78X140, 94x160, 114x118, 134x140
Available in 3 glass variations
GPU 0034 Obscure glazing, toughened outer pane
GPU 0059 toughened outer pane
GPU 3073 Laminated inner pane with clear and clean coating on toughened outer pane.
Further information on glazing options can be viewed here
Velux GHL
Top-Hung
Pine Finish
Emergency Escape/Access *
Velux GHL roof windows are perfectly suited to low pitched roofs. Opening outwards without intruding into the room space, GHL windows create a feeling of space and provide a free, unrestricted view. As a result these are best suited to rooms where a lot of furniture is required, such as a bedroom for example. The GHL is remarkably tough and durable and finished with a clear varnish to enhance the pine's aesthetic appeal. Installation of GHL is possible for roof pitches between 15° and 55° , and up to 77° with the use of special springs.
Available in 7 sizes (cm)
55x98, 66x118, 78x98, 78x118*, 78x140*, 114x118*, 134x98*
Available in 2 glass variations
GHL 3059 Toughened outer pain
GHL 3073 Laminated inner pane with clear and clean coating on toughened outer pane.
Further information on glazing options can be viewed here
Centre Pivot
Conservation Roof Window System
Offers all the superior technical features of a Velux roof window but in a traditional conservation style. Top-hung can be installed in roof pitches between 20° - 55° (65° with special springs).
Available in 5 sizes (cm)
55x98, 66x118, 78x118, 78x140, 134x98
Available in 3 variations
GGL SD5N1 For slate up to 8mm thick ( min 35 deg roof pitch)
GGL SD5P1 For plain tiles up to 15mm thick ( min 25 deg roof pitch)
GGL SD5W1 For tiles up to 120mm thick ( min 15 deg roof pitch)
Top Hung
Conservation Roof Window System
Offers all the superior technical features of a Velux roof window but in a traditional conservation style. Centre-pivot can be installed in roof pitches between 15° - 90° . This top hung version is suitable for emergency escape.
Available in 1 size (cm)
78x140
Available in 3 variations
GHL SD5N1 For slate up to 8mm thick ( min 35 deg roof pitch)
GHL SD5P1 For plain tiles up to 15mm thick ( min 25 deg roof pitch)
GHL SD5W1 For tiles up to 120mm thick ( min 15 deg roof pitch)
Velux Flashing EDL
Suitable for slate roofs
Velux Flashing EDZ
Suitable for tile roofs
Velux Flashing EDW
Suitable for deep tile roofs
Velux Flashing EDP
Suitable for plain tile roofs

Velux Window Installation Service throughout Devon & Cornwall