Flat Roof Skylight 1000 x 2500 mm Original price was: £ 1.209,00.Current price is: £ 948,00. incl. VAT
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Flat Roof Skylight 1200 x 1200 mm Original price was: £ 676,00.Current price is: £ 525,00. incl. VAT

Flat Roof Skylight 1000 x 3000 mm

Original price was: £ 1.759,00.Current price is: £ 1.328,00. 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 3000 mm
External Size: 1200 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: 181.80kg
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 3000 mm
Original price was: £ 1.759,00.Current price is: £ 1.328,00. incl. VAT
Original price was: £ 1.759,00.Current price is: £ 1.328,00. incl. VAT
Original price was: £ 806,00.Current price is: £ 706,00. incl. VAT
£ 108,00 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 3000 mm from Regal Glass Group, where over two decades of skylight mastery meet cutting-edge design. This expansive skylight window, designed for flat roofs, brings the beauty of the sky into your home with the added luxury of a self-cleaning feature, minimizing maintenance and ensuring a clear, unobstructed view year-round.

Each Flat Roof Skylight in our collection is the product of in-house production, allowing us to utilize premium quality materials and maintain the highest standards of craftsmanship. The 1000 x 3000 mm model, with its minimalist frameless design, seamlessly integrates into your flat roof architecture, flooding your interiors with natural light and enhancing the overall ambiance of your space.

The self-cleaning glass technology, activated by natural sunlight, effortlessly breaks down and rinses away dirt and debris, keeping your skylight clean and maintenance to a minimum. This feature, combined with the durability of safety toughened glass and the skylight’s superior thermal efficiency, achieving a U-value of 0.9 W/m²K, positions our skylight as a pinnacle of functionality and efficiency.

At Regal Glass Group, our dedication to environmental stewardship is evident in our eco-friendly packaging, reflecting our commitment to reducing our carbon footprint. Alongside our standard sizes, we also offer the option for custom skylights, ensuring that you can find or create a skylight that perfectly fits your architectural vision. The Flat Roof Skylight 1000 x 3000 mm, with its emphasis on self-cleaning technology, high-quality materials, and sustainable practices, offers a sophisticated, convenient, and eco-conscious lighting solution, transforming your home with the timeless elegance of natural light.


147 , 60 kg


325 × 10 × 125 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

1000 x 3000 mm

External Size

1200 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 [%]



2 reviews

2 reviews for Flat Roof Skylight 1000 x 3000 mm

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  1. Oliver Brown

    I opted for a bespoke skylight for my house in Glasgow, and Regal Glass delivered beyond expectations. The custom size fits perfectly, and the craftsmanship is top-notch. My roof has never looked better!

  2. Ava Adams

    My bedroom skylight is the highlight of my renovation. The light and ambiance it adds are truly magical. Kudos to Regal Glass for their top-notch products and service.

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