Flat Roof Skylight 600 x 1800 mm, Fixed, Frameless, Triple Glazed, 56.40kg, UV 0.9
Original price was: £ 578.00.£ 438.98Current price is: £ 438.98. incl. VAT
Prices go up when the timer hits zero.
33 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 600 x 1800 mm
External Size: 800 x 2000 mm
Glazing Type: Triple Glazed
Net Weight: 56.40kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
Toughened safety & laminated glass
Leakproof Design
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
Looking to add a skylight but concerned about heat loss? Our Flat Roof Skylight, measuring 600 x 1800 mm, features an outstanding U-value of 0.9 W/m²K. Thanks to its triple-glazed units and warm edge spacer technology, it ensures top-notch insulation, keeping your space warm in winter and cool in summer, while allowing plenty of natural light to brighten your home.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Benefit from the excellent thermal performance provided by our triple-glazed units and warm edge spacer technology. With a U-value of 0.9 W/m²K, your space remains comfortable throughout the year, and energy bills are reduced.
- Unobstructed Views: The frameless design enhances the penetration of natural light, offering breathtaking, unobstructed panoramic views of the sky, making your space feel more open and connected to the outdoors.
- Self-Cleaning Convenience: Enjoy low-maintenance living with our sunlight-activated self-cleaning feature, which keeps your skylight glass clear and spotless with minimal effort.
- Versatile Installation: Suitable for flat roofs with pitches between 6° and 45°, these skylights are adaptable to various architectural designs, making them ideal for many homes.
- Sun Safety: Protect your interiors from harmful UV rays while still enjoying the benefits of abundant natural light.
- Safety First: Constructed with safety-toughened glass, our skylights ensure maximum durability and security, providing peace of mind.
- Peaceful Ambiance: Experience a quieter indoor environment with our effective soundproofing, enhancing your overall comfort.
- Regulation Compliant: Our skylights meet all British Standards & Building Regulations and carry the CE safety marking, ensuring they meet the highest safety and quality standards.
Essential Skylight Accessories
Enhance your skylight installation with these essential accessories for a smooth and efficient setup:
- Skylight Blinds for Flat Roof Window 600x1800mm: These custom-fitted blinds provide perfect light control and privacy, allowing you to create the ideal atmosphere in your home.
- Installation Kit for 1 x Flat Roof Skylight 600x1800mm: This complete kit includes everything you need for a secure and hassle-free installation, ensuring your skylight performs optimally.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Create a watertight seal around your skylight with this durable silicon sealant, keeping your indoor environment dry and comfortable.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): This high-quality tape provides both effective sealing and crucial support during installation, ensuring a tight and secure fit for your skylight.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: Maintain the self-cleaning properties of your skylight with this special solution, keeping your glass sparkling clean with minimal effort.
Choose Skylights.co.uk
We offer an extensive range of standard sizes, including the popular 1800 x 600 mm skylight (also known as 1.8 x 0.6 m roof light), as well as fully custom skylights to meet your specific requirements.
Our flat rooflights deliver exceptional thermal performance, ensuring outstanding energy efficiency and comfort year-round. They provide an abundance of natural light, creating a bright and inviting atmosphere. The elegant, modern design of our flat rooflights adds sophistication to any setting, whether contemporary or traditional.
Download our full produc catalogue to explore our wide range of flat roof skylights and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy 600 x 1800 mm Flat Skylights Near Me
Need a flat skylight in 600 x 1800 mm? Also known as a 0.6 x 1.8 m rooflight, this size brings expansive daylight into large kitchens, workspaces, and family rooms. We deliver high-end roof lights with sleek lines, triple glazing, and unbeatable durability.
✅ Next-Day Delivery Available
✅ Installer Support Available – We’re Here to Help
✅ UKCA-Certified & Building Regs Compliant
✅ Rated 5 Stars on Google
✅ Saves up to 10% on Energy Bills
Engineered for performance and weather-tested for the UK climate, our skylights help you build better, brighter spaces.
| Weight | 56.40 kg |
|---|---|
| Dimensions | 205 × 10 × 85 cm |
| Internal Size |
600 x 1800 mm |
| External Size |
800 x 2000 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 |
Sold By Manufacturer
33 in stock (can be backordered)
20 in stock (can be backordered)
ACTIVE PROMOTION
Use Code: TODAYONLY
Transform your home with our triple-glazed flat roof skylights, maximizing natural light and thermal efficiency. Pair them with our separately sold Insulated Upstand, featuring 40mm core insulation to cut heat loss and lower energy costs.
Why Choose Our Insulated OSB Upstands?
Perfect Pitch for Water Drainage
Built-In 6° Pitch for perfect drainage
Exceptional Insulation
High Insulation with 40mm core and 15mm OSB
Ready-to-Install, Precision-Cut Fit
Factory-made to match our skylights exactly
Brighten Your Home & Save More – Bundle & Save!
Upgrade with our triple-glazed flat roof skylights for maximum light and energy efficiency.
Add the Insulated Upstand and save up to 7% with our bundle offer!
✔️ Boost thermal performance
✔️ Cut energy costs
✔️ Enjoy lasting durability
Get the complete solution at a better price – bundle today!
Get a Bundle with extra 7% Discount on Skylight and Upstand
Flat Roof Skylight 600 x 1800 mm, Fixed, Frameless, Triple Glazed, 56.40kg, UV 0.9
Original price was: £ 578.00.£ 408.25Current price is: £ 408.25. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 600 x 1800 mm
Original price was: £ 319.20.£ 237.48Current price is: £ 237.48. incl. VAT
Before and After
See how a space is completely transformed with a Skylights.co.uk.
- Maximum daylight
- Modern minimalist design
- Superior insulation & UV protection
One change. Total transformation.
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.
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.
FAQ
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.
Samuel Parker –
I have considered installing a skylight in our staircase for a long time now. Our new rooflight from Regal Glass has become the talk of the town. Absolutely love it!
Freya Gray –
Selling our house in Oxford was a difficult decision. We decided to upgrade it with a skylight by Regal Glass Group and it made the place look like it’s straight out of a magazine! We managed to increase the property value!
Arthur Miller –
The team at Regal Glass helped me pick out the perfect skylight for my small attic space. It’s made such a huge impact, bringing in so much natural light. Their products are top-notch.
Grace Wilson –
The bathroom skylight I got from Regal Glass is breathtaking. If you’re looking for bathroom skylights – Regal is the best choice.
Eoghan Leary –
The frameless roof window has transformed our home office. The room feels much more open now, and the natural light is amazing.
Roisin Kelly –
Very impressed with our flat roof windows. They bring in lots of light and have completely changed the atmosphere of our home.
Gethin Roberts –
Our fixed roof light has brightened up the entire attic. It’s sleek, modern, and brings in the perfect amount of natural light.
Caitlin Murphy –
The frameless roof light has made a huge difference in our kitchen. The natural light is perfect, and the product quality is fantastic.
Mia Coleman –
The skylight brings in loads of natural light, and the room feels so much more open now.