Flat Roof Skylight 800 x 2000 mm, Fixed, Frameless, Triple Glazed, 81.40kg, UV 0.9
Original price was: £ 731.00.£ 550.84Current price is: £ 550.84. incl. VAT
Prices go up when the timer hits zero.
31 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 800 x 2000 mm
External Size: 1000 x 2200 mm
Glazing Type: Triple Glazed
Net Weight: 81.40kg
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
Thinking of adding a flat roof skylight but worried about heat loss? Our Flat Roof Skylight 800 x 2000 mm offers an impressive U-value of 0.9 W/m²K, thanks to its triple-glazed units and warm edge spacer technology. This means superior insulation, keeping your space cozy in winter and pleasantly cool in summer – all while enjoying plenty of natural light!
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Benefit from exceptional thermal performance with triple-glazed units and warm edge spacer technology. This results in a U-value of 0.9 W/m²K, maintaining a comfortable environment year-round and lowering energy costs.
- Unobstructed Views: The frameless design allows maximum natural light penetration, providing stunning panoramic views of the sky.
- Self-Cleaning Convenience: Enjoy low-maintenance with a sunlight-activated self-cleaning feature that keeps the glass pristine.
- Versatile Installation: Suitable for flat roofs with pitches between 6° and 45°, making it ideal for various homes.
- Peaceful Ambiance: Our flat roof windows offer an effective soundproofing for a quieter indoor setting.
- Sun Safety: Protects against harmful UV rays.
- Safety First: Made with safety-toughened glass for your peace of mind.
- Regulation Compliant: Complies with all British Standards & Building Regulations and carries the CE safety marking.
Essential Skylight Accessories
Enhance your flat roof skylight experience with these essential add-ons for seamless skylight installation and optimal performance:
- Skylight Blinds for Flat Roof Window 800x2000mm: Control light and privacy in your space! These blinds are designed specifically for your skylight size, offering a perfect fit and allowing you to create the ideal atmosphere in your home.
- Installation Kit for 1 x Flat Roof Skylight 800x2000mm: 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): Dual-purpose 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 Skylights.co.uk
We offer an extensive range of standard sizes, including the popular 2000 x 800 mm skylight (also known as 2 x 0.8 m roof light), as well as fully 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 skylights, creating a brighter and more inviting atmosphere.
- Elegant Design: Add a touch of sophistication to any setting with our sleek and modern flat rooflights.
Download our full product catalogue to explore our extensive flat skylight window range and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy 800 x 2000 mm Roof Lights Near Me
Searching for 800 x 2000 mm roof lights near you? Also called a 0.8 x 2 m large skylight, this format maximises natural light in rear extensions, vaulted ceilings, or feature rooms. We manufacture frameless rooflights that combine striking aesthetics with energy-saving triple-glazed performance.
✅ Custom Sizes & Bespoke Options Available
✅ Saves Up to 10% on Energy Bills
✅ Secure Checkout & Multiple Payment Options
✅ Frameless Design – Clean, Minimal Finish
✅ Fast Nationwide Delivery
Engineered for UK weather and fully UKCA certified, our skylights are the perfect blend of performance and elegance—delivered direct from the manufacturer.
| Weight | 81 kg |
|---|---|
| Dimensions | 225 × 10 × 105 cm |
| Internal Size |
800 x 2000 mm |
| External Size |
1000 x 2200 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
31 in stock (can be backordered)
11 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 800 x 2000 mm, Fixed, Frameless, Triple Glazed, 81.40kg, UV 0.9
Original price was: £ 731.00.£ 512.28Current price is: £ 512.28. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 800 x 2000 mm
Original price was: £ 489.00.£ 348.98Current price is: £ 348.98. 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.
Daniel Roberts –
Installing a staircase skylight in my parents’ home in Nottingham was the best decision we made during our renovation. The quality is unmatched!
Sienna Brooks –
The bespoke skylight over our staircase is everything we hoped for. Regal Glass Group exceeded our expectations.
Krzysztof Dziedzic –
The flat skylights in our hallway have made the house feel bright and open.
Marek Ulman –
Couldn’t be happier with our flat roof windows. They make the entire living room feel spacious.
Andrzej Pavlovic –
Flat roof windows in our dining room are the perfect addition. The natural light is amazing.
Agnieszka Lesniak –
Our fixed roof windows in the living room have transformed the space. It’s bright and cozy.
Bartosz Sobotka –
Flat skylights in the office make working from home more enjoyable. Highly recommend!
Elena Stojanovic –
Our frameless roof window in the dining room looks modern and brings in great light.
Eliska Zahradnikova –
Our frameless roof windows in the kitchen bring in so much light. The space looks beautiful!
Joseph Lee –
The quality from Regal Glass Group is clearly top tier.
Daniel King –
Great value and even better service from Regal Roof Windows.
Ryo Fox –
Regal Skylights transformed our dull hallway into a bright feature area.
Rafal Grosz –
The flat skylights in the living room bring in so much light. The room feels cozy and inviting.
Jakob Laskowski –
Our flat skylights in the bedroom have added a new level of comfort to the space.
Agata Fischer –
Frameless roof windows in the hallway are exactly what we needed. They look modern and sleek.