Flat Roof Skylight 800 x 1000 mm, Fixed, Frameless, Triple Glazed, 42.40kg, UV 0.9
Original price was: £ 592.00.£ 416.42Current price is: £ 416.42. incl. VAT
Prices go up when the timer hits zero.
27 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 800 x 1000 mm
External Size: 1000 x 1200 mm
Glazing Type: Triple Glazed
Net Weight: 42.40kg
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 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 14449
Premium Flat Roof Skylights
Considering adding a flat skylight but worried about heat loss? Our Flat Roof Skylight 800 x 1000 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 800x1000mm: 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 800x1000mm: 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, including the popular 1000 x 800 mm skylight and 1 x 0.8 m roof light, as well as fully 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.
Understanding flat roof skylight cost is crucial for your budgeting. Our solutions provide excellent value by combining quality, performance, and aesthetic appeal.
Download our full product catalogue to explore our wide range of flat skylights and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy 800 x 1000 mm Roof Lights Near Me
Searching for 800 x 1000 mm flat roof lights near you? Also known as an 0.8 x 1 m skylight, this proportioned rectangle works well in kitchens, lofts, or side returns where daylight makes a dramatic difference. We engineer every roof light for structural reliability and stunning clarity.
✅ Frameless Design – Clean, Modern Finish
✅ Natural Light = Better Mood & Focus
✅ Next-Day Delivery Available
✅ UKCA-Certified for Building Compliance
✅ 20-Year Warranty Included
Ready to ship across the UK, our skylights are precision-built and trusted by builders, architects, and homeowners alike.
| Weight | 42 kg |
|---|---|
| Dimensions | 125 × 10 × 105 cm |
| Internal Size |
800 x 1000 mm |
| External Size |
1000 x 1200 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
27 in stock (can be backordered)
14 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 1000 mm, Fixed, Frameless, Triple Glazed, 42.40kg, UV 0.9
Original price was: £ 592.00.£ 387.27Current price is: £ 387.27. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 800 x 1000 mm
Original price was: £ 359.00.£ 247.38Current price is: £ 247.38. 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.
Jacob Anderson –
Opting for an 800 x 1000 bedroom skylight was the best decision. The difference in natural light is astounding. Regal Glass Group’s selection, prices, and service are unbeatable. They also deliver to Sheffield at no cost!
Thomas James –
My custom-made bedroom skylight from Regal Glass is a dream come true. The natural light it provides is simply amazing. Their fast service and quality is impressive.
Charlotte Martin –
Charlotte Martin: We chose a medium skylight for our kitchen, and it’s been a fantastic addition. The light and ambiance it adds to the space are unparalleled.
Sophia Knigh –
The addition of a bedroom skylight has made it the most serene space in my home. The quality and elegance of Regal Glass’s products are matched only by their excellent service.
Lindsay Barclay –
We recently installed a flat roof skylight in our Durham house, and it’s transformed our loft space. The natural light is perfect.”