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£ 390.00 Original price was: £ 390.00.£ 230.00Current price is: £ 230.00. incl. VAT
34 in stock (can be backordered)
Prices go up when the timer hits zero.
Regal Glass Group: A trusted manufacturer of premium roof windows
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
Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.
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34 in stock (can be backordered)
11 in stock (can be backordered)
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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!
Skylights Near Me: High-Quality 600 x 600 mm Flat Roof Options
Regal Glass Group can offer you a high-quality 600x600mm for your flat roof! They have installation guides and kits for the best experience.
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.

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.

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.
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.
Stuart Henderson –
We couldn’t be happier with our flat roof skylight in Newcastle. It floods our kitchen with light and adds a modern touch to our home.
Darragh McKeown –
In Sheffield, the flat roof skylight has brought a lot more light into our living room. The installation was smooth, and the result is fantastic.
Claire Forsyth –
Our flat roof skylight has made a massive difference to our home in Aberdeen. The light it brings in makes the entire living area feel so much more open.
William Edwards –
Love our new skylight! It has brought in so much natural light, and the delivery was incredibly fast. Great product quality.
Mia Scottson –
Couldn’t be more pleased with the skylight. It has made our bedroom feel much more open and bright. Delivery was right on time, and the support was excellent.
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.