Flat Roof Skylight 800 x 800 mm, Fixed, Frameless, Triple Glazed, 34.20kg, UV 0.9
Original price was: £ 546.00.£ 375.06Current price is: £ 375.06. incl. VAT
Prices go up when the timer hits zero.
1 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 800 x 800 mm
External Size: 1000 x 1000 mm
Glazing Type: Triple Glazed
Net Weight: 34.20kg
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 BS EN 12150
- Middle Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
- Bottom Pane: Stratobel Clearlite 44.2 / Laminated glass EN 14449s
Premium Flat Roof Skylights
Considering adding a skylight but worried about heat loss? Our Flat Roof Skylight, sized at 800 x 800 mm, boasts an excellent U-value of 0.9 W/m²K. Thanks to its triple-glazed units and warm edge spacer technology, it offers superior insulation, keeping your space cozy in winter and pleasantly cool in summer, while allowing ample natural light to flood your home.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Experience exceptional thermal performance with our triple-glazed units and warm edge spacer technology. With a U-value of 0.9 W/m²K, you can maintain a comfortable environment year-round and enjoy lower energy bills.
- Unobstructed Views: The frameless design maximizes natural light penetration, offering stunning, unobstructed panoramic views of the sky, enhancing the openness and brightness of your space.
- Self-Cleaning Convenience: Benefit from low-maintenance living with our sunlight-activated self-cleaning feature, which keeps the skylight glass clear and spotless with minimal effort.
- Versatile Installation: These skylights are suitable for flat roofs with pitches between 6° and 45°, making them versatile and adaptable to various architectural designs.
- Sun Safety: Protect your interiors from harmful UV rays while still enjoying the benefits of abundant natural light.
- Safety First: Made with safety-toughened glass, our skylights ensure maximum durability and security, providing peace of mind.
- Peaceful Ambiance: Enjoy 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 comply with the highest safety and quality standards.
Essential Skylight Accessories
Complete your skylight installation with these essential accessories for a seamless and efficient setup:
- Skylight Blinds for Flat Roof Window 800x800mm: These custom-fitted blinds offer perfect light control and privacy, allowing you to create the ideal ambiance in your home.
- Installation Kit for 1 x Flat Roof Skylight 800x800mm: This comprehensive kit includes everything you need for a secure and stress-free installation, ensuring your skylight performs optimally.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Achieve 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 and custom skylights to meet your specific needs. Our flat rooflights provide:
- Exceptional Thermal Performance: Our innovative triple glazing features deliver outstanding energy efficiency, keeping your space comfortable throughout the year.
- Natural Light Abundance: Enjoy a brighter and more inviting atmosphere with our skylights that fill your space with beautiful natural light.
- Elegant Design: The sleek, modern design of our flat rooflights adds a touch of sophistication to any setting, whether contemporary or traditional.
Download our full product 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 800 x 800 mm Roof Lights Near Me
Need an 800 x 800 mm roof light near you? Also referred to as an 0.8 x 0.8 m flat rooflight, this size delivers balanced daylight—ideal for living rooms, stairwells, or home offices. We produce frameless skylights that offer clean lines, excellent thermal performance, and easy installation.
✅ Rated 5 Stars on Google
✅ Installer Advice Available – Just Ask
✅ Custom Sizes Made to Order
✅ Certified for UK Weather – Built to Last
✅ Fast UK Delivery on Stock Sizes
With UKCA-certified durability and sleek, modern styling, this skylight is a dependable upgrade for any project—residential or professional.
| Weight | 34.20 kg |
|---|---|
| Dimensions | 105 × 10 × 105 cm |
| Internal Size |
800 x 800 mm |
| External Size |
1000 x 1000 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: |
6 mm iplus 1.1 pos.5 Thermally toughened glass with Low-E coating EN 12150 |
| Air Gap |
16 mm Argon 90% |
| Bottom Glass Pane: |
Stratobel Clearlite 44.2 / Laminated glass |
| 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
1 in stock (can be backordered)
12 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 800 mm, Fixed, Frameless, Triple Glazed, 34.20kg, UV 0.9
Original price was: £ 546.00.£ 348.81Current price is: £ 348.81. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 800 x 800 mm
Original price was: £ 220.00.£ 138.69Current price is: £ 138.69. 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.
James O’Connor –
My 800 x 800 bathroom skylight is a masterpiece. The quality is unparalleled, and the natural light transformation is beyond words. Regal Glass Group’s attention to detail and customer service is top-tier.
Gareth Thomas –
Gareth Thomas: Adding a roof window to our kitchen was the finishing touch it needed. The team at Regal Glass Group was professional and the installation was seamless.
Natalie Price –
Our kitchen feels so much larger and more welcoming with the new skylight. It’s amazing how much difference natural light can make.
Amy Knight –
Good window, brings in a lot of natural light. Perfect for our hallway.
Liam Griffin –
Nice product. Good price and free shipping.
Andrew Patterson –
In Sheffield, we added a flat roof skylight to our home extension, and it’s been fantastic. The light it brings in makes all the difference.
Ewa Szymanski –
Flat roof windows were a perfect choice for our living room. The natural light is wonderful.
Lukas Novak –
These flat roof windows have transformed our living room. It’s much brighter and feels so open!
Nisha Singh –
The frameless roof light in the dining room has transformed the space. The light it brings in is wonderful.
Hanna Wagner –
Couldn’t be happier with our frameless roof window. It makes our space look sleek and modern.
Sara Khan –
The fixed roof light in our hallway has changed the entire feel of the house. It’s bright and welcoming.