Pitched Roof Skylight 1000 x 1000 mm Original price was: £ 519,00.Current price is: £ 469,00. incl. VAT
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Pitched Roof Skylight 600 x 1200 mm Original price was: £ 525,00.Current price is: £ 475,00. incl. VAT

Pitched Roof Skylight 600 x 900 mm

Original price was: £ 461,00.Current price is: £ 411,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 600 x 900 mm
External Size: 800 x 1100 mm
Glazing Type: Triple Glazed
Net Weight: 29.40kg
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: £ 704,00.Current price is: £ 604,00. incl. VAT
£ 169,00 incl. VAT
£ 169,00 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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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 600 x 900 mm from Regal Glass Group, where innovative design meets the unparalleled safety and durability of toughened glass. With more than two decades of skylight expertise, this product is designed to flood your home with natural light while ensuring the utmost safety and longevity.

Each skylight we produce is a reflection of our dedication to the highest standards of craftsmanship, made possible by our in-house production capabilities. The 600 x 900 mm skylight, with its sleek, frameless design, not only complements your home’s architecture but also maximizes the entry of natural light, enhancing the ambiance and feel of your living spaces.

The use of safety toughened glass in our Pitched Roof Skylights is central to our commitment to providing products that are not only aesthetically pleasing but also exceptionally durable and safe. This material ensures that your skylight is resilient against harsh weather conditions, giving you peace of mind and reducing the need for maintenance.

Featuring triple-glazed units with a 15-millimeter warm Edge spacer filled with Argon gas, our skylights offer superior thermal efficiency, with a U-value of 0.9 W/m²K. This ensures that your home remains comfortable and energy-efficient, maintaining an ideal indoor temperature throughout the year.

For those interested in our standard sizes, please visit our shop. And for a skylight that perfectly fits your unique requirements, check out our custom options.

The Pitched Roof Skylight 600 x 900 mm by Regal Glass Group is the epitome of modern skylight design, offering a blend of natural light, energy efficiency, and the robust safety of toughened glass, making it an ideal choice for homeowners seeking both form and function in their skylight solutions.


29 , 40 kg


55 × 10 × 55 cm


Regal Glass



Internal Size

600 x 900 mm

External Size

800 x 1100 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 [%]


Customer Reviews

2 reviews

2 reviews for Pitched Roof Skylight 600 x 900 mm

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  1. Ivy Bennett

    The minimalistic design of the 600 x 900 pitched skylight has given our home a modern edge we absolutely love.

  2. Jasper Cole

    Our new 600 x 900 pitched roof window not only looks sleek but the energy savings we’ve noticed are fantastic. A smart investment indeed.

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