Flat Roof Skylight 600 x 3000 mm Original price was: £ 1.002,10.Current price is: £ 841,00. incl. VAT
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Flat Roof Skylight 800 x 1000 mm Original price was: £ 592,00.Current price is: £ 464,00. incl. VAT

Flat Roof Skylight 800 x 800 mm

Original price was: £ 546,00.Current price is: £ 420,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Flat Roof Skylight
Internal Size: 800 x 800 mm
External Size: 1000 x 1000 mm
Glazing Type: Triple Glazed
Net Weight: 34.20kg
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 800 x 800 mm
Original price was: £ 546,00.Current price is: £ 420,00. incl. VAT
Original price was: £ 546,00.Current price is: £ 420,00. incl. VAT
Original price was: £ 657,00.Current price is: £ 557,00. incl. VAT
£ 54,00 incl. VAT
£ 24,00 incl. VAT
£ 15,00 incl. VAT
£ 30,00 incl. VAT

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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.

Presenting the Flat Roof Skylight 800 x 800 mm from Regal Glass Group, a masterpiece of design that effortlessly combines aesthetic appeal with practicality, featuring an easy installation process that makes it a favored choice for both new constructions and renovations. This skylight window is designed to transform flat-roofed spaces with an abundance of natural light, ensuring a seamless integration into your architectural design.

Crafted with precision, this skylight incorporates triple-glazed units, achieving an optimal U-value of 0.9 W/m²K, indicative of its excellent thermal efficiency. The design is enhanced by a 15-millimeter warm Edge spacer, filled with Argon gas, strategically placed between the glass panes to minimize heat transfer, thus maintaining a comfortable indoor ambiance throughout the year.

One of the key advantages of the Flat Roof Skylight 800 x 800 mm is its easy installation process. Designed with both the contractor and end-user in mind, this skylight comes with straightforward, comprehensive instructions and is engineered for a hassle-free fitting experience, reducing installation time and complexity. This ease of installation does not compromise the skylight’s performance or durability, making it an ideal solution for quickly and efficiently enhancing spaces with natural light.

The skylight’s frameless design not only adds a touch of modern elegance to your property but also maximizes the entry of daylight, brightening your interior more effectively. Additionally, it features a self-cleaning mechanism, activated by sunlight, ensuring maintenance is as effortless as its installation, keeping the glass clear and your views unobstructed.

Versatile in application, this skylight can be installed at pitches from 6° to 45°, accommodating a wide range of architectural styles. It also provides sound insulation, UV protection, and is constructed with safety toughened glass, ensuring both durability and security.

Meeting all British Standards & Building Regulations, the Flat Roof Skylight 800 x 800 mm includes all necessary Safety Markings and is CE marked, confirming its compliance with EU directives and standards for 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.


34 , 20 kg


105 × 10 × 105 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

800 x 800 mm

External Size

1000 x 1000 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 [%]



1 review

1 review for Flat Roof Skylight 800 x 800 mm

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  1. Amy Knight

    Good window, brings in a lot of natural light. Perfect for our hallway.

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