Pitched Roof Skylight 400 x 2000 mm Original price was: £ 526,00.Current price is: £ 486,00. incl. VAT
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Pitched Roof Skylight 500 x 1500 mm Original price was: £ 500,00.Current price is: £ 450,00. incl. VAT

Pitched Roof Skylight 400 x 3000 mm

Original price was: £ 850,00.Current price is: £ 780,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 400 x 3000 mm
External Size: 600 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: 66kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0

Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.

Original price was: £ 807,00.Current price is: £ 707,00. incl. VAT
£ 284,00 incl. VAT
£ 284,00 incl. VAT
£ 24,00 incl. VAT
£ 15,00 incl. VAT
£ 115,00 incl. VAT
£ 115,00 incl. VAT
£ 30,00 incl. VAT

Payment Methods:

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Secure Payment

Shop safely with our secure online checkout.

Easy Returns

Hassle-free returns within 30 days.

10 Year Warranty

Enjoy peace of mind with our extensive warranty.

Frameless Skylights Glass Performance

Experience the perfect blend of natural light, energy efficiency, noise reduction, and UV protection with our precision-engineered glass.

Modern Design
Solar energy transmittance (G value): g [%] 65
UV transmission : 0 τuv [%]
Light transmittance: τv [%] 72
Thermal transmittance (U value): : 0.9 [W/(m².K)]
Min 3.0 [W/(m².K)] / Max 0.1 [W/(m².K)] 70%
Shading coefficient: 0.66 SC
( Maximum SC 1.00 / Maximum SC 0.20 ) 42%
Sound Reduction: 39 dB (-2;-7)
( Maximum 40dB / Minimum 30dB ) 90%

Easy to replicate
Installation Guide

Dive into our user-friendly Installation Guide for a smooth skylight setup. Get the clarity you need, step-by-step.

Click below to explore the full guide.

Introducing the Pitched Roof Skylight 400 x 3000 mm, a masterpiece of design and functionality from the esteemed Regal Glass Group. With a legacy spanning over two decades in the skylight domain, we bring to you a skylight that is not just a window but a transformative element for your home, blending the best of natural light with a sleek, modern design.

Our skylights are a product of passion, crafted from premium materials in our own facilities, ensuring each piece meets our high standards of quality and innovation. The Pitched Roof Skylight 400 x 3000 mm features a frameless, minimalist design that accentuates the beauty of your pitched roof while flooding your space with an abundance of natural light, enhancing the ambiance and vitality of your interiors.

One of the standout features of our Pitched Roof Skylight is the advanced UV protection it offers. This essential feature protects your family and your interior furnishings from the harmful effects of the sun’s rays, ensuring your comfort and the longevity of your indoor spaces. Coupled with the durability of safety toughened glass, our skylights offer peace of mind and minimal maintenance, thanks to the self-cleaning technology activated by sunlight.

Designed with efficiency in mind, our skylights boast triple-glazed units with a 15-millimeter warm Edge spacer filled with Argon gas, achieving an impressive U-value of 0.9 W/m²K. This ensures optimal thermal efficiency, keeping your home comfortable while reducing energy costs.

For those interested in our standard sizes, we invite you to explore our extensive range. Additionally, for a tailored solution that meets your unique architectural requirements, discover our custom skylight options.


108 kg


55 × 10 × 55 cm


Regal Glass



Internal Size

400 x 3000 mm

External Size

600 x 3200 mm

Glazing Type

Triple glazed

Glass Tint

Clear Tint



Roof Type

Pitched Roof

Skylight Type


Top Glass Pane:

6 mm Planibel Clearlite / Thermally toughened

Air Gap

16 mm Argon 90%

Middle Glass Pane:

4 mm Planibel Clearlite Thermally toughened

Air Gap

16 mm Argon 90%

Bottom Glass Pane:

Stratobel Clearlite 44.2 with iplus 1.1 pos.5

Spacer Type

15mm Black Warm Edge

U value

0.9 [W/(m².K)]

Sound reduction - EN 12758

[dB] 39 (-2;-7)

Light transmittance: tv [%]


External light refection : ρv [%]


Internal light refection : ρvi [%]


Colour rendering index : Ra [%]


Solar energy transmittance : g [%]


Shading coefcient : SC




UV transmission : τuv [%]


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