Flat Roof Skylight 1000 x 1000 mm Original price was: £ 693,00.Current price is: £ 442,00. incl. VAT
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Flat Roof Skylight 1000 x 1500 mm Original price was: £ 830,00.Current price is: £ 587,00. incl. VAT

Flat Roof Skylight 1000 x 1200 mm

Original price was: £ 768,00.Current price is: £ 529,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Flat Roof Skylight
Internal Size: 1000 x 1200 mm
External Size: 1200 x 1400 mm
Glazing Type: Triple Glazed
Net Weight: 61.20kg
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 1000 x 1200 mm
Original price was: £ 768,00.Current price is: £ 529,00. incl. VAT
Original price was: £ 768,00.Current price is: £ 529,00. incl. VAT
Original price was: £ 679,00.Current price is: £ 579,00. 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.

Introducing the Flat Roof Skylight 1000 x 1200 mm from Regal Glass Group, a leading name in the world of natural lighting solutions with over two decades of expertise. Our flat roof skylights seamlessly blend innovative design with functionality, bringing the outside in and transforming your living space with an abundance of natural light.

Crafted at the hands of skilled artisans in our in-house production facilities, each skylight is a testament to our commitment to quality and excellence. The Flat Roof Skylight 1000 x 1200 mm, with its modern, frameless design, is meticulously designed to integrate with your flat roof, offering a sleek and elegant addition to your home. This design not only enhances the visual appeal of your property but also maximizes the influx of daylight, creating a brighter, more inviting interior atmosphere.

At the core of our Flat Roof Skylights is the use of premium quality materials, ensuring durability and longevity. The skylights feature triple-glazed units, complete with a 15-millimeter warm Edge spacer filled with Argon gas, achieving an impressive U-value of 0.9 W/m²K. This advanced design provides exceptional thermal efficiency, maintaining a comfortable indoor temperature throughout the year while minimizing energy costs.

In addition to their superior performance, our skylights are equipped with self-cleaning glass, activated by sunlight, which significantly reduces the need for maintenance. This feature, combined with the robustness of safety toughened glass, ensures your skylight remains a low-maintenance, high-reward feature of your home.

Regal Glass Group is dedicated to sustainability, as evidenced by our eco-friendly packaging, ensuring that our products not only enhance your home but also contribute to the well-being of our planet. The Flat Roof Skylight 1000 x 1200 mm also boasts sound reduction capabilities, creating a peaceful indoor environment, free from the distractions of external noise.

Our range includes a wide selection of standard sizes, catering to diverse architectural requirements. For those seeking a bespoke solution, our custom skylights offer the flexibility to create a feature that perfectly aligns with your specific design aspirations.

Backed by a 20-year warranty, the Flat Roof Skylight 1000 x 1200 mm from Regal Glass Group is more than just a skylight; it’s an investment in the beauty, comfort, and efficiency of your home. With the promise of premium materials, eco-conscious practices, and unparalleled craftsmanship, this skylight is set to redefine your living space with the timeless elegance and practicality of natural light.


61 , 20 kg


145 × 10 × 125 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

1000 x 1200 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%

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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