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£ 660.00 Original price was: £ 660.00.£ 508.00Current price is: £ 508.00. incl. VAT
26 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: 800 x 1800 mm
External Size: 1000 x 2000 mm
Glazing Type: Triple Glazed
Net Weight: 73.20kg
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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26 in stock (can be backordered)
2 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
Thinking of adding a skylight but worried about heat loss? Our Flat Roof Skylight 800 x 1800 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.
Essential Skylight Accessories
Upgrade your flat roof skylight experience with these essential add-ons for a seamless roof window installation and optimal performance:
- Inclined Insulated Upstand for Flat Roof Skylight 800 x 1800 mm: Our Inclined Insulated Upstands take the hassle out of installing your flat roof skylight. These pre-built wonders are crafted with thin wood veneers bonded with strong adhesives. A unique layering technique ensures exceptional structural integrity, so you won’t have to worry about warping or sagging over time.
- Skylight Blinds for Flat Roof Window 800 x 1800 mm: The power to control the light and privacy in your space! Designed specifically for your skylight size, these blinds offer a perfect fit and allow you to create the ideal atmosphere in your home.
- Installation Kit for 1 x Flat Roof Skylight 800 x 1800 mm: Everything you need for a secure and stress-free installation. This complete kit takes the guesswork out of the process, ensuring your skylight is properly installed for optimal performance and lasting enjoyment.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): Double threat during installation. This high-quality tape provides both effective sealing to keep the elements at bay and crucial support for a secure fit.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: The key to a watertight seal around your skylight. This durable sealant creates a weatherproof finish that keeps the elements out, ensuring your peace of mind and a comfortable indoor environment.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: This special solution replenishes the self-cleaning properties of your skylight, ensuring effortless maintenance and sparkling glass with minimal effort on your part.
Choose Regal Glass Skylight Windows
We offer a variety of standard sizes readily available for purchase, along with custom skylights to suit your specific needs. No matter the project, our flat rooflights provide:
- 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 roof windows and skylights, creating a brighter and more inviting atmosphere.
- Elegant Design: Add a touch of sophistication to any setting with our sleek and modern glass skylights for flat roofs.
Download our full product catalogue to explore our extensive roof skylights for flat roofs range and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
Top-Rated 800 x 1800 mm Flat Roof Skylights Near Me
Regal Glass Group, with 20+ years of experience, offers high-quality skylights! Free London M25 delivery. Explore online.
Weight | 73.20 kg |
---|---|
Dimensions | 205 × 10 × 105 cm |
Brand |
Regal Glass |
Manufacturer | |
Internal Size |
800 x 1800 mm |
External Size |
1000 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 |
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
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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.
Grace Cook –
I spent so much time looking for a frameless skylight in Glasgow. Then I found skylights.co.uk and ordered the 800 x 1800 flat roof skylight. Guess what? It has elevated the entire feel of my room. Very grateful to you guys!