Flat Roof Skylight 600 x 600 mm, Fixed, Frameless, Triple Glazed, 20.40kg, UV 0.9
Original price was: £ 390.00.£ 231.24Current price is: £ 231.24. 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: 600 x 600 mm
External Size: 800 x 800 mm
Glazing Type: Triple Glazed
Net Weight: 20.40kg
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)
4 in stock (can be backordered)
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Flat Roof Skylight 600 x 600 mm, Fixed, Frameless, Triple Glazed, 20.40kg, UV 0.9
Inclined Insulated Upstand for Flat Roof Skylight 600 x 600 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, compliant with BS EN 12150
- Middle Pane: 4 mm Planibel Clearlite / Thermally toughened glass, compliant with BS EN 12150
- Bottom Pane: Stratobel Clearlite 44.2 iplus 1.1 / Laminated glass with Low-E coating, compliant with EN 14449
Premium Flat Roof Skylights
Our Flat Roof Skylight 600 x 600 mm showcases the pinnacle of design and functionality. This roof light has an impressive U-value of 0.9 W/m²K. Its triple-glazed units and warm edge spacer technology provide excellent insulation, keeping your space warm in winter and cool in summer, all while bathing your home in natural light.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Our triple-glazed units and warm edge spacer technology deliver exceptional thermal performance with a U-value of 0.9 W/m²K, ensuring year-round comfort and lower energy bills.
- Unobstructed Views: The frameless design enhances natural light, offering stunning panoramic views of the sky.
- Self-Cleaning Convenience: The sunlight-activated self-cleaning feature ensures effortless maintenance, keeping the glass spotless.
- Versatile Installation: Suitable for flat roofs with pitches between 6° and 45°, making it ideal for various homes.
- Peaceful Ambiance: Provides excellent soundproofing for a quieter indoor environment.
- Sun Safety: Protects against harmful UV rays.
- Safety First: Made with safety-toughened glass for added security.
- Regulation Compliant: Meets all British Standards & Building Regulations and includes the CE safety marking.
Essential Skylight Accessories
Enhance your skylight installation with these essential accessories for optimal performance:
- Skylight Blinds for Flat Roof Window 600x600mm: Custom-fitted blinds offer light control and privacy, allowing you to create the perfect ambiance in your space.
- Installation Kit for 1 x Flat Roof Skylight 600x600mm: This complete kit simplifies the installation process, ensuring your skylight is securely and correctly installed.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): High-quality tape that provides effective sealing and support during installation for a secure fit.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: This durable sealant creates a watertight seal around your skylight, ensuring your space remains weather-resistant.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: This solution maintains the self-cleaning properties of your skylight, making maintenance easy and keeping the glass sparkling.
Choose Regal Glass Skylight Windows
We offer a range of standard sizes and custom skylights to meet your specific needs.
Our flat rooflights deliver exceptional thermal performance, natural light, and elegant design. Download our full product catalogue for more information.
Contact us today to discuss your skylight project!
🗺️ Where to Buy Flat Roof Skylights 600 x 600 mm Near Me
Looking for 600 x 600 mm roof lights near you? Also known as a 0.6 x 0.6 m skylight, this balanced square size is ideal for kitchens, landings, and workspaces that benefit from more natural brightness. Regal Glass Group delivers modern flat skylights that are sleek, durable, and energy-efficient.
✅ Rated 5 Stars on Google
✅ Installer Support Available – We’re Here to Help
✅ Secure Checkout & Payment Options
✅ Natural light = better mood, productivity & well-being
✅ Next-Day Delivery Available
All of our rooflights are UKCA-certified and engineered for long-lasting performance—trusted by architects, developers, and homeowners across the country.
| Weight | 20.40 kg |
|---|---|
| Dimensions | 85 × 10 × 85 cm |
| Brand |
Regal Glass |
| Manufacturer | |
| Internal Size |
600 x 600 mm |
| External Size |
800 x 800 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: |
4 mm Planibel Clearlite / Thermally toughened glass |
| Air Gap |
16 mm Argon 90% |
| Bottom Glass Pane: |
Stratobel Clearlite 44.2 iplus 1.1 pos.5 / Laminated glass with Low-E coating EN 14449 |
| 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
11 reviews for Flat Roof Skylight 600 x 600 mm, Fixed, Frameless, Triple Glazed, 20.40kg, 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.
James Davies –
The customer service was outstanding. Lilly helped me select the perfect size skylight for my loft, and the difference it has made is incredible. Highly recommend their skylights and services.
Nathan Cooper, Manchester –
Nice skylight. It was easy to fit and works well.
Ruby Carter –
Bought a skylight for our roof extension. It works well and looks good.
Ciaran McGowan –
We live in Cambridge, and adding a flat roof skylight has completely changed the look of our house. The room feels more open and bright.
Niamh Magill –
The flat roof skylight in our Oxford home has been such a great investment. The light it brings into the room is just perfect.
William Edwards –
Love our new skylight! It has brought in so much natural light, and the delivery was incredibly fast. Great product quality.
Dylan Roberts –
Our flat roof windows were delivered quickly and have completely changed the feel of the room. The natural light is amazing!
Maeve Nolan –
The frameless roof light has brought in so much light to our home office. It’s made a huge difference in how the space feels.”
Eoin Hughes –
Our frameless roof window has brightened up the whole living room. It’s sleek and modern, and the installation process was easy.
Aled Morgan –
Very happy with our flat roof skylight. It’s sleek and modern, and the amount of light it brings into the room is incredible.
Oscar Wright –
We love our skylight! It has brought in so much natural light, and the quality is fantastic. The delivery was very quick.