Flat Roof Skylight 600 x 2000 mm Original price was: £ 676,00.Current price is: £ 554,00. incl. VAT
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Flat Roof Skylight 800 x 800 mm Original price was: £ 546,00.Current price is: £ 420,00. incl. VAT

Flat Roof Skylight 600 x 3000 mm

Original price was: £ 1.002,10.Current price is: £ 841,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Flat Roof Skylight
Internal Size: 600 x 3000 mm
External Size: 800 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: 92.40kg
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.

This item: Flat Roof Skylight 600 x 3000 mm
Original price was: £ 1.002,10.Current price is: £ 841,00. incl. VAT
Original price was: £ 1.002,10.Current price is: £ 841,00. incl. VAT
Original price was: £ 768,00.Current price is: £ 668,00. incl. VAT
£ 84,00 incl. VAT
£ 24,00 incl. VAT
£ 15,00 incl. VAT
£ 30,00 incl. VAT

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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 expansive Flat Roof Skylight 600 x 3000 mm, brought to you by the Regal Glass Group, which combines cutting-edge design with unparalleled durability. This premium skylight window is an essential addition to any flat-roofed space, providing an infusion of natural light while offering the assurance of long-lasting quality, underscored by a 20-year warranty on the seal.

Constructed with the utmost precision, this skylight features triple-glazed units that boast an impressive U-value of 0.9 W/m²K, a testament to its superior thermal efficiency. The innovative design includes a 15-millimeter warm Edge spacer, filled with Argon gas between the panes, to significantly reduce heat transfer, ensuring a consistently comfortable indoor environment throughout the year.

The standout feature of the Flat Roof Skylight 600 x 3000 mm is the exceptional 20-year warranty on the seal, highlighting our commitment to quality and customer satisfaction. This warranty ensures that your skylight will remain airtight and perform optimally, maintaining its insulating properties and protecting against the elements over time.

The skylight’s frameless design enhances the modern aesthetic of your property, allowing an unobstructed flow of natural light to illuminate your interiors extensively. Coupled with the self-cleaning feature, activated by sunlight, maintenance is minimized, ensuring that your views remain pristine with little effort.

Designed for versatility, this skylight is suitable for installation at pitches ranging from 6° to 45°, making it adaptable to a variety of architectural styles. In addition to its aesthetic appeal and functional benefits, the skylight also offers sound insulation, UV protection, and is constructed with safety toughened glass for enhanced security.

Compliance is key, and the Flat Roof Skylight 600 x 3000 mm meets all British Standards & Building Regulations, comes equipped with all necessary Safety Markings, and is CE marked, ensuring it meets the stringent EU directives and standards for product quality and safety.

At Regal Glass Group, we understand the importance of choice and customization. That’s why, in addition to our range of standard size skylights that are readily available in stock, we proudly offer custom skylight solutions tailored to your unique requirements. Whether you’re enhancing a residential space or illuminating a commercial venue, our skylights are designed to bring light, elegance, and efficiency to any setting.


92 , 40 kg


325 × 10 × 85 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

600 x 3000 mm

External Size

800 x 3200 mm

Glazing Type

Triple glazed

Glass Tint

Clear Tint



Roof Type

Flat Roof , 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 [%]



3 reviews

3 reviews for Flat Roof Skylight 600 x 3000 mm

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  1. Dylan Evans

    The elegance of our staircase skylight has elevated our home’s aesthetics to new heights. Thank you, Skylights.co.uk!

  2. Zachary Sheepman

    The 1000 x 3000 skylight over our staircase is stunning. It brings so much natural light into what was a dim area.

  3. Freddie White

    The new skylight in my bedroom is stunning. The light, has transformed my space. It feels much more expensive now thanks to skylights.co.uk!

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