Flat Roof Skylight 1500 x 2500 mm, Fixed, Frameless, Triple Glazed, 223kg, UV 0.9
Flat Roof Skylight 1500 x 2500 mm, Fixed, Frameless, Triple Glazed, 223kg, UV 0.9 Original price was: £ 2.585.00.Current price is: £ 1.939.00. incl. VAT
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Solar Framed Skylight – Triple Glazed – 600 x 900 mm
Solar Framed Skylight – Triple Glazed – 600 x 900 mm Original price was: £ 782.00.Current price is: £ 699.00. incl. VAT

Pitched Roof Skylight 1500 x 2500 mm, Fixed, Frameless, Triple Glazed, 223kg, UV 0.9

(4 customer reviews)

Original price was: £ 2.586.00.Current price is: £ 1.939.00. incl. VAT

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18 in stock (can be backordered)

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Regal Glass Group: A trusted manufacturer of premium roof windows
Leakproof Design – Tested for Maximum Weather Resistance

Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 1500 x 2500 mm
External Size: 1700 x 2700 mm
Glazing Type: Triple Glazed
Net Weight: 223kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
Roof Pitch Range: 6° to 45°

Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.

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18 in stock (can be backordered)

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Description

Premium Pitched Roof Skylights

Bathe your space in natural light with the Regal Glass Pitched Roof Skylight 1500 x 2500 mm. This modern marvel combines stunning design with exceptional functionality. With over 20 years of experience crafting the finest skylights, we’ve created a product that seamlessly integrates with your roofline while providing a beautiful minimalist statement and year-round natural illumination.

Why Choose Our Frameless Pitched Roof Windows

Unmatched Performance:

  • Exceptional Thermal Efficiency: Advanced triple-glazed units with a 15mm warm edge spacer filled with Argon gas achieve an impressive U-value of 0.9 W/m²K. Enjoy year-round comfort and significant energy bill reductions.
  • Unobstructed Views: The frameless design maximizes natural light penetration, offering breathtaking panoramic vistas and complementing your pitched roof’s architecture with a sleek, minimalist aesthetic.
  • Effortless Maintenance: Enjoy spotless glass with our self-cleaning technology, activated by sunlight for minimal upkeep.

Additional Benefits:

  • Versatile Installation: Suitable for roof pitches between 6° and 45°, making it a great fit for many homes.
  • Peaceful Ambiance: Provides effective soundproofing for a quieter indoor environment.
  • Sun Safety: Offers protection against harmful UV rays, safeguarding your interiors.
  • Safety First: Constructed with safety-toughened glass for ultimate peace of mind.
  • Regulation Compliant: Meets all British Standards & Building Regulations and carries the CE safety marking.

Our pitched roof skylights are backed by a 20-year warranty, our skylights are a testament to superior durability and performance.

Essential Skylight Accessories

Enhance your pitched roof skylight experience with these essential add-ons for a seamless installation and optimal performance:

Our Pitched Roof Skylights are composed of three distinct glass panes, each contributing to the unit’s durability and thermal efficiency:

  • Top Pane: 8 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
  • Middle Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
  • Bottom Pane: 8 mm Planibel Clearlite / Thermally toughened glass BS EN 12150

Choose Regal Glass Skylight Windows

We offer an extensive range of standard sizes, including the popular 2500 x 1500 mm skylight (also known as 2.5 x 1.5 m roof light), as well as fully custom roof windows to suit your specific needs.

Download our full product catalogue to explore our extensive Pitched Roof skylight range and find the perfect solution for your project.

Ready to discuss your skylight needs? Contact us today!

Are there any discounts on Pitched Roof Skylight 1500 x 2500 mm

Check Regal Glass Group's website for current promotions on Pitched Roof Skylights 1500 x 2500 mm. Subscribe to their email to be aware of all offers.

🗺️ 1500 x 2500 mm Pitched Roof Lights Near Me

Searching for a 1500 x 2500 mm pitched roof light near you? Also referred to as a 1.5 x 2.5 m skylight, this large-format solution is perfect for pitched roof extensions, vaulted creative spaces, and open-plan interiors where light, proportion, and elegance matter. Regal Glass Group supplies frameless pitched roof windows designed to maximise daylight and deliver clean, structural precision.

Premium Large Skylight – Maximum Light, Minimal Framing
Custom-Made to Match Structural Openings
Trusted by 1,200+ UK Homeowners and Builders
Installer-Friendly System with Expert Backup
UKCA Certified & Regulation Compliant

Built for UK weather and engineered for sloped roof performance, our skylights are shipped quickly and arrive ready to install—bringing light, scale, and modern finish to every space they touch.

Additional information
Weight 108 kg
Dimensions 55 × 10 × 55 cm
Brand

Regal Glass

Color

Clear

Internal Size

1500 x 2500 mm

External Size

1700 x 2700 mm

Glazing Type

Glass Tint

Self-Cleaning:

Yes

Roof Type

Pitched Roof

Skylight Type

Frameless

Top Glass Pane:

8 mm Planibel Clearlite / Thermally toughened glass EN 12150

Air Gap

16 mm Argon 90%

Middle Glass Pane:

6 mm iplus 1.1 pos.5 Thermally toughened glass with Low-E coating EN 12150

Air Gap

16 mm Argon 90%

Bottom Glass Pane:

8 mm Planibel Clearlite / Thermally toughened glass EN 12150

Spacer Type

15mm Black Warm Edge

U value

0.9 [W/(m².K)]

Sound reduction - EN 12758

[dB] 39 (-2;-7)

Light transmittance: tv [%]

72

External light refection : ρv [%]

17

Internal light refection : ρvi [%]

17

Colour rendering index : Ra [%]

97

Solar energy transmittance : g [%]

57

Shading coefcient : SC

0.66

Selectivity

1.26

UV transmission : τuv [%]

0

Shipping & Delivery

Delivery Times:

  • Standard Size Flat & Pitched Skylights: Typically delivered within 3 to 6 working days.
  • Custom Size Orders: Production and delivery to the UK take approximately 3 to 6 weeks. Delivery is free of charge.
  • Roof Lanterns: Delivered within 10-14 working days from the date of order.
  • Framed Skylights: Delivered within 10-14 working days from the date of order.
  • Electric Opening Skylights: Delivered within 10-14 working days from the date of order.
  • Walk-On Skylights: Delivered within 10-14 working days from the date of order.
  • Skylight Blinds: Delivered within 10-14 working days from the date of order.

Delivery Hours:

  • Monday to Friday, between 8 am and 5 pm.

Once your payment has been processed, we will contact you to arrange a convenient delivery time.

Placing an Order: To view delivery costs, please add your desired products to the cart and enter the shipping address.

Delivery Areas:

  • Within London (M25): Our dedicated drivers ensure safe delivery. Please ensure that you or your builders are present to accept the delivery, as our drivers work alone and the vehicles are pre-loaded.
  • Outside London (M25): We utilize an external shipping network. The courier will contact you to schedule a suitable delivery time.
  • Extra Economy Shipping: Available for all areas except Northern Ireland and Scotland. In rare cases, delivery may be to a local depot if suitable vehicles are unavailable.

Important Notes:

  • Many of our products are heavy, ranging from 10kg to 280kg. Depending on the size and weight, additional help may be required for unloading (2-6 people).
  • We are not liable for any damage during unloading. It is the customer's responsibility to manage this process.
  • If no one is present to receive the delivery, our driver will attempt to contact you via phone, text, or voicemail. If contact cannot be made, the product will be returned to our warehouse.

Before and After

See how a space is completely transformed with a Regal Glass skylight.

  • Maximum daylight
  • Modern minimalist design
  • Superior insulation & UV protection

One change. Total transformation. Choose Regal Glass Group.

Our Roof Windows in Action

Photos from completed projects by our clients

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.

20 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
100%
Solar energy transmittance (G value): g [%] 65
65%
UV transmission : 0 τuv [%]
0%
Light transmittance: τv [%] 72
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.

Customer Reviews

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4 reviews
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4 reviews for Pitched Roof Skylight 1500 x 2500 mm, Fixed, Frameless, Triple Glazed, 223kg, UV 0.9

Clear filters
  1. Oliver Bennetton

    Added a pitched roof window to my home office in Bristol, and it’s like working outdoors! The quality is fantastic, and the self-cleaning feature is a lifesaver.

  2. Rupert Holland

    Our living room’s new skylight has dramatically reduced our need for artificial lighting. Plus, it looks fantastic.

  3. Fiona Ray

    Just installed a massive 1500×2500 mm skylight in our new loft conversion. It’s amazing how much light it brings in, turning what was once an attic into the brightest room in the house. Great quality and seamless installation.

  4. Miles Reed

    The 1500 x 2500 pitched rooflight from Regal Glass has opened up our living space in a way I didn’t think was possible. It’s like the room’s taken a deep breath.

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FAQ

Will this rooflight work with my roof?

Yes. This unit is designed for pitched roofs between 6° and 45° and is compatible with both tile and slate. We also supply flat roof options separately.

What’s the U-value and how energy efficient is it?

Our triple-glazed models offer U-values as low as 0.9 W/m²K (whole unit), helping you meet Part L regulations and reduce heat loss.

Does it come with self-cleaning glass?

Yes. All our skylights come with self-cleaning glass as standard to reduce dirt buildup.

Can I order custom sizes?

Yes. We offer made-to-measure rooflights to fit your exact requirements. Contact us for a custom quote.

Is this skylight compatible with all roof constructions?

Yes, our skylights can be installed on both cold and warm roof types.

Is it really leak-proof?

Yes. When installed with our official flashing kit and according to instructions, it is guaranteed to be watertight. 

Is the glass safe and shatterproof?

Absolutely. Each unit uses toughened outer and laminated inner glass that complies with UK safety standards (EN12150 / EN14449).

How long is the warranty?

We offer a 20-year guarantee on the glazing unit.