Flat Roof Skylight 1500 x 3000 mm, Fixed, Frameless, Triple Glazed, 266.30kg, UV 0.9
Original price was: £ 3.037.00.£ 2.279.00Current price is: £ 2.279.00. incl. VAT
1 in stock (can be backordered)
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Regal Glass Group: A trusted manufacturer of premium roof windows
Built to prevent leaks—trusted rooflights by Regal Glass Group.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 1500 x 3000 mm
External Size: 1700 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: 266.30kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
Leakproof Design
Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.
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1 in stock (can be backordered)
9 in stock (can be backordered)
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Flat Roof Skylight 1500 x 3000 mm, Fixed, Frameless, Triple Glazed, 266.30kg, UV 0.9
Original price was: £ 3.037.00.£ 1.937.15Current price is: £ 1.937.15. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 1500 x 3000 mm
Original price was: £ 749.00.£ 516.80Current price is: £ 516.80. incl. VAT
Our Flat 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
Premium Flat Roof Skylights
Thinking of adding a skylight on a flat roof but worried about heat loss? Our Flat Roof Skylight 1500 x 3000 mm boasts an impressive U-value of 0.9 W/m²K, thanks to its triple-glazed units and warm edge spacer technology. That means superior insulation, keeping your space cozy in winter and pleasantly cool in summer – all while enjoying tons of natural light!
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Enjoy outstanding thermal performance with triple-glazed units and warm edge spacer technology. This translates to a U-value of 0.9 W/m²K, keeping your space comfortable year-round and reducing energy bills.
- Unobstructed Views: The frameless design maximizes natural light penetration, offering breathtaking panoramic views of the sky.
- Self-Cleaning Convenience: Effortless maintenance with a sunlight-activated self-cleaning feature that keeps the glass spotless.
- Versatile Installation: Suitable for flat roofs with 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.
- 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.
Elevate Your Flat Roof Skylight Experience
Everything you need for effortless skylights flat roof installation:
Skylight Blinds for Flat Roof Window 1500x3000mm: Achieve the perfect balance of light and privacy with these custom-designed blinds.
Installation Kit for 1 x Flat Roof Skylight 1500x3000mm: This comprehensive kit provides everything you need for a secure and stress-free installation.
Essential Accessories for Optimal Performance:
Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): This double-duty tape offers superior sealing and crucial support for a secure skylight fit.
Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Create a watertight seal for lasting peace of mind with this high-performance sealant.
Self-Cleaning Liquid Smart Glass Bottle 15ml: Replenish the self-cleaning properties of your skylight with this special solution, ensuring effortless maintenance.
Choose Regal Glass Skylight Windows
We offer an extensive range of standard sizes, including the popular 3000 x 1500 mm skylight (also known as 3 x 1.5 m roof light), as well as fully custom skylights to suit your specific needs. No matter the project, our skylight flat roof provides:
- Exceptional Thermal Performance: Enjoy outstanding energy efficiency thanks to innovative features like triple glazing, keeping your space comfortable year-round.
- Natural Light Abundance: Bathe your space in beautiful natural light with our skylights, creating a brighter and more inviting atmosphere.
- Elegant Design: Add a touch of sophistication to any setting with our sleek and modern flat rooflights.
Download our full product catalogue to explore our extensive Flat Roof skylight range and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy 1500 x 3000 mm Roof Lights Near Me
Looking for a 1500 x 3000 mm roof light near you? Also known as a 1.5 x 3 m large skylight, this oversized format is perfect for luxury extensions, atriums, and grand architectural spaces that demand maximum natural light. At Regal Glass Group, we manufacture frameless flat rooflights that deliver scale, structural integrity, and visual impact.
✅ Large Skylight – The Ultimate Daylight Feature
✅ UKCA Certified & Fully Regulation Compliant
✅ Custom-Made to Fit Any Structural Opening
✅ Secure Checkout & Trade Pricing Available
✅ Trusted by Architects, Developers & Homeowners
Designed for bold spaces and engineered to perform, this skylight offers expansive sky views, triple-glazed efficiency, and fast delivery direct from our UK factory.
| Weight | 266.30 kg |
|---|---|
| Dimensions | 325 × 10 × 175 cm |
| Brand |
Regal Glass |
| Manufacturer | |
| Internal Size |
1500 x 3000 mm |
| External Size |
1700 x 3200 mm |
| Glazing Type | |
| Glass Tint | |
| Self-Cleaning: |
Yes |
| Roof Type |
Flat Roof ,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 |
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.
Why Choose Our Insulated OSB Upstands?
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.
TILE & MEMBRANE COMPATIBLE
FLAT ROOFS
EASY & SECURE INSTALLATION
Will It Fit My Roof?
1. Flat Roofs
Our skylights are suitable for flat roofs with a minimum pitch of 6° when installed with the correct upstand or flashing kit.
2. Tile & Membrane Compatible
Designed for all common UK roof types – from clay tiles and slate to EPDM, GRP, and bitumen flat roof membranes.
3. Easy & Secure Installation
Each skylight is engineered for watertight, airtight installation. Use our installation kits and add our pre-fabricated upstands for a perfect fit and finish.
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.
Reviews
8 reviews for Flat Roof Skylight 1500 x 3000 mm, Fixed, Frameless, Triple Glazed, 266.30kg, UV 0.9
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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.
Yes. All our skylights come with self-cleaning glass as standard to reduce dirt buildup.
Yes. We offer made-to-measure rooflights to fit your exact requirements. Contact us for a custom quote.
Yes. When installed with our official flashing kit and according to instructions, it is guaranteed to be watertight.
Absolutely. Each unit uses toughened outer and laminated inner glass that complies with UK safety standards (EN12150 / EN14449).
We offer a 20-year guarantee on the glazing unit.
Monika Baran –
Flat skylights in the kitchen make cooking more enjoyable. Great product!
Aisling McCullough –
We live in a top-floor flat in Glasgow, and the flat roof skylight has made such a huge difference. The room is always bright and full of light now.
Alicja Wojcik –
Our fixed roof windows in the bathroom were a perfect choice. The natural light is wonderful.
Gabriel Papp –
The frameless roof light in our hallway is amazing. It’s sleek, modern, and bright.
Mateusz Bialek –
Our frameless roof window in the kitchen is stylish and brings in plenty of light.
Marcel Farkas –
Fixed roof windows in our office bring in the perfect amount of light for working.
Nina Durak –
The frameless roof light in the kitchen is exactly what we needed. It’s stylish and bright.
Petra Kolar –
Flat roof windows in our hallway make the house feel open and airy.