Flat Roof Skylight 800 x 1800 mm Original price was: £ 660,00.Current price is: £ 546,00. incl. VAT
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Flat Roof Skylight 1000 x 1000 mm Original price was: £ 693,00.Current price is: £ 442,00. incl. VAT

Flat Roof Skylight 800 x 2000 mm

Original price was: £ 731,00.Current price is: £ 587,00. 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 2000 mm
External Size: 1000 x 2200 mm
Glazing Type: Triple Glazed
Net Weight: 81.40kg
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 800 x 2000 mm
Original price was: £ 731,00.Current price is: £ 587,00. incl. VAT
Original price was: £ 731,00.Current price is: £ 587,00. incl. VAT
Original price was: £ 735,00.Current price is: £ 635,00. incl. VAT
£ 69,00 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.

Explore the transformative Flat Roof Skylight 800 x 2000 mm, proudly presented by Regal Glass Group, where innovative design meets unparalleled quality. This expansive skylight is engineered to bathe your flat-roofed areas in radiant natural light, enhancing both the functionality and aesthetic appeal of your space.

Featuring cutting-edge triple-glazed units, this skylight achieves remarkable thermal performance, highlighted by a U-value of 0.9 W/m²K. The key to its efficiency lies in the 15-millimeter warm Edge spacer, infused with Argon gas, nestled between the panes of glass to effectively reduce heat transfer. This ensures that your indoor environment remains temperate and inviting throughout all seasons.

The Flat Roof Skylight 800 x 2000 mm is a testament to Regal Glass Group’s dedication to quality and innovation. Each skylight is produced with meticulous attention to detail, ensuring that it not only meets but exceeds our stringent standards. The sleek, frameless design of the skylight window maximizes the entry of daylight, significantly brightening your interiors and creating a sense of openness and space.

Designed for convenience, this skylight features a self-cleaning mechanism, activated by sunlight, which effortlessly maintains the clarity of the glass, ensuring that your views remain pristine with minimal maintenance required.

Adaptable to various architectural styles, the skylight can be installed at angles from 6° to 45°, making it a versatile choice for a wide range of building designs. It offers more than just aesthetic benefits; it also provides sound insulation, UV protection, and is built with safety toughened glass for enhanced durability and safety.

This skylight complies with all British Standards & Building Regulations, comes equipped with the necessary Safety Markings, and is CE marked, signifying its compliance with essential EU quality and safety standards.

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.


81 kg


225 × 10 × 105 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

800 x 2000 mm

External Size

1000 x 2200 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 [%]



2 reviews

2 reviews for Flat Roof Skylight 800 x 2000 mm

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  1. Daniel Roberts

    Installing a staircase skylight in my parents’ home in Nottingham was the best decision we made during our renovation. The quality is unmatched!

  2. Sienna Brooks

    The bespoke skylight over our staircase is everything we hoped for. Regal Glass Group exceeded our expectations.

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