Flat Roof Skylight 500 x 1500 mm Original price was: £ 550,00.Current price is: £ 450,00. incl. VAT
Back to products
Pitched Roof Skylight 400 x 1500 mm Original price was: £ 461,00.Current price is: £ 421,00. incl. VAT

Flat Roof Skylight 500 x 3000 mm

Original price was: £ 869,00.Current price is: £ 799,00. incl. VAT

12 People watching this product now!

Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Flat Roof Skylight
Internal Size: 500 x 3000 mm
External Size: 700 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: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.

Original price was: £ 746,00.Current price is: £ 646,00. incl. VAT
£ 84,00 incl. VAT
£ 24,00 incl. VAT
£ 15,00 incl. VAT
£ 30,00 incl. VAT

Payment Methods:

Quick Shipping

Get it fast with our expedited shipping options.

Secure Payment

Shop safely with our secure online checkout.

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.

Unveil the beauty of daylight with the Flat Roof Skylight 500 x 3000 mm, a standout offering from Regal Glass Group, designed for those who appreciate the serenity of a well-lit space complemented by the tranquility of reduced ambient noise. This elongated skylight is a harmonious blend of innovative design and functional excellence, making it a superb addition to any flat-roofed environment.

Constructed with cutting-edge triple-glazed units, this skylight showcases exceptional thermal efficiency, evidenced by its U-value of 0.9 W/m²K. Central to its design is the 15-millimeter warm Edge spacer, filled with Argon gas, strategically placed between the glass panes to minimize heat transfer, ensuring your space remains comfortably ambient throughout the varying seasons.

A distinguishing feature of this skylight is its remarkable sound reduction capability, rated at 39dB according to EN 12758 standards. This ensures that while your interior is bathed in natural light, it remains a haven of peace, insulated from the hustle and bustle of the external world, making it perfect for spaces requiring quietude and focus.

The skylight’s frameless design not only exudes modern elegance but also maximizes the influx of daylight, enhancing the overall brightness and warmth of your interior. Moreover, the skylight is equipped with a self-cleaning feature, activated by sunlight, which effortlessly maintains the clarity of the glass, ensuring uninterrupted views and minimal maintenance.

Designed to be versatile, the Flat Roof Skylight 500 x 3000 mm is suitable for installation at pitches from a gentle 6 degrees to a more pronounced 45 degrees, accommodating a wide array of architectural preferences. In addition to its aesthetic and functional advantages, the skylight also offers UV protection and is constructed with safety toughened glass for added durability and security.

Adhering to the highest industry standards, this skylight meets all British Standards & Building Regulations, comes complete with all necessary Safety Markings, and is CE marked, signifying its compliance with essential EU directives and standards for products sold within the European Economic Area.

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.


108 kg


205 × 10 × 145 cm


Regal Glass


Regal Glass Group Ltd

Internal Size

500 x 3000 mm

External Size

700 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 [%]



1 review

1 review for Flat Roof Skylight 500 x 3000 mm

Clear filters
  1. Isla Torres

    The difference my skylight from Regal Glass has made is incredible. My loft has been turned into a bright and airy space, all thanks to their high-quality roof lights.

Add a review

Your email address will not be published. Required fields are marked *

You have to be logged in to be able to add photos to your review.