Flat Roof Skylight 500 x 1500 mm, Fixed, Frameless, Triple Glazed, 42kg, UV 0.9
Original price was: £ 587.00.£ 397.62Current price is: £ 397.62. incl. VAT
11 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: 500 x 1500 mm
External Size: 700 x 1700 mm
Glazing Type: Triple Glazed
Net Weight: 42kg
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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11 in stock (can be backordered)
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Flat Roof Skylight 500 x 1500 mm, Fixed, Frameless, Triple Glazed, 42kg, UV 0.9
Inclined Insulated Upstand for Flat Roof Skylight 500 x 1500 mm
Our Flat Roof Skylights are composed of three distinct glass panes, each contributing to the unit’s durability and thermal efficiency:
- Top Pane: 6 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: Stratobel Clearlite 44.2 / Laminated glass EN 14449
Premium Flat Roof Skylights
Our Flat Roof Skylight 500 x 1500 mm showcases the pinnacle of design and functionality. This roof light boasts exceptional thermal performance with a U-value of 0.9 W/m²K, thanks to its innovative triple-glazed units and warm edge spacer technology. This translates to superior insulation, keeping your space comfortable year-round.
Why Choose Our Frameless Flat Roof Windows
- Thermally Efficient: Enjoy outstanding thermal performance with our triple-glazed units and warm edge spacer technology.
- Unobstructed Views: The frameless design maximises natural light penetration and offers breathtaking views of the sky.
- Self-Cleaning: 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°.
- Sound Insulation: Provides effective soundproofing for a peaceful indoor environment.
- UV Protection: 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.
Essential Skylight Accessories
For a seamless skylight installation and optimal performance, consider pairing your Flat Rooflight with these essential accessories:
- Skylight Blinds for Flat Roof Window 500x1500mm: Maintain privacy and control light levels with custom-made blinds designed specifically for your skylight.
- Installation Kit for 1 x Flat Roof Skylight 500x1500mm: Ensure a secure and proper installation with our comprehensive installation kit.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): High-quality tape for effective sealing and support during installation.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Durable sealant for a weatherproof finish around your skylight.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: Replenish the self-cleaning capabilities of your skylight for long-lasting, effortless maintenance.
Choose Regal Glass Skylight Windows
We offer an extensive range of standard sizes, including the popular 1500 x 500 mm skylight (also known as 1.5 x 0.5 m roof light), as well as fully custom skylights to suit your specific needs. Whether you’re enhancing a residential space or illuminating a commercial property, our flat rooflights deliver exceptional thermal performance, natural light, and elegance. Download our full product catalogue for more details.
Whether you’re seeking to enhance a residential space or illuminate a commercial property, our flat rooflights are designed to deliver exceptional thermal performance, natural light, and a touch of elegance to any setting. Explore our extensive skylight range to find the perfect solution for your project.
Contact us today to discuss your skylight project!
🗺️ Where to Buy 500 x 1500 mm Flat Roof Lights Near Me
Looking to buy a 500 x 1500 mm skylight near you? Also referred to as a 0.5 x 1.5 m rooflight, this balanced format works beautifully in smaller kitchens, studies, or narrow extensions. At Regal Glass Group, we build frameless flat roof lights that are sleek, effective, and built to last.
✅ UKCA Certified – Regulation Ready & Safe
✅ Frameless Edge Design for Seamless Finishes
✅ Energy Efficient – Reduces Heat Loss
✅ Secure Checkout with Multiple Payment Options
✅ 20-Year Manufacturer Warranty Included
Our rooflights are trusted by homeowners, trades, and architects alike—shipped nationwide with expert support available from start to finish.
| Weight | 108 kg |
|---|---|
| Dimensions | 205 × 10 × 145 cm |
| Brand |
Regal Glass |
| Manufacturer | |
| Internal Size |
500 x 1500 mm |
| External Size |
700 x 1700 mm |
| Glazing Type | |
| Glass Tint | |
| Self-Cleaning: |
Yes |
| Roof Type |
Flat Roof ,Pitched Roof |
| Skylight Type |
Frameless |
| Top Glass Pane: |
6 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: |
Stratobel Clearlite 44.2 / Laminated glass |
| 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
10 reviews for Flat Roof Skylight 500 x 1500 mm, Fixed, Frameless, Triple Glazed, 42kg, 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.
Amelia Ross –
Adding a skylight to my villa in Edinburgh has been a transformative experience. The space is now flooded with natural light, making it the perfect spot to relax. Kudos to Regal Glass for such an amazing product.
Leo Kensington –
Amazing quality. The frameless look is so modern and clean.
Aidan McDonagh –
The fixed roof light we installed in our dining room has transformed the space. The natural light is just perfect.
Oliver Griffiths –
Our new skylight has made a huge difference in our home. It was delivered quickly, and the technical support team was very helpful.
Jessica Collins –
The skylight is of fantastic quality and has brought so much light into our kitchen. The delivery was quick, and the technical support was very helpful during installation.
Siân Evans –
Really impressed with our flat roof windows. They’ve made such a difference in the living room, and the delivery was super quick.
Amelia Fitzgerald –
This flat roof skylight made our attic space feel completely new!
Jack Davies –
Absolutely love our new skylight from Regal Skylights. It’s made a world of difference.
Jana Doyer –
Perfect from Regal.
Ben Evans –
Super happy with our skylight! It has transformed our attic, and the natural light it brings in is fantastic. Quick delivery too.