Flat Roof Skylight 800 x 1500 mm, Fixed, Frameless, Triple Glazed, 61.50kg, UV 0.9
Original price was: £ 615.00.£ 471.88Current price is: £ 471.88. incl. VAT
Prices go up when the timer hits zero.
25 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 800 x 1500 mm
External Size: 1000 x 1700 mm
Glazing Type: Triple Glazed
Net Weight: 61.50kg
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
Looking to add a flat roof skylight window but worried about heat loss? Our Flat Roof Skylight 800 x 1500 mm, features an impressive U-value of 0.9 W/m²K. This is achieved through its triple-glazed units and warm edge spacer technology, providing excellent insulation to keep your space warm in winter and cool in summer, all while bathing your home in natural light.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Our flat roof skylight windows offer superior thermal performance with triple-glazed units and warm edge spacer technology. With a U-value of 0.9 W/m²K, your space remains comfortable year-round, helping to lower energy bills.
- Unobstructed Views: The frameless design allows for maximum light penetration, giving you stunning, panoramic views of the sky.
- Self-Cleaning Convenience: Enjoy effortless maintenance with a sunlight-activated self-cleaning feature that keeps the glass pristine.
- Versatile Installation: Suitable for flat roofs with pitches from 6° to 45°, making it a versatile choice for various homes.
- Peaceful Ambiance: Benefit from effective soundproofing for a quieter indoor environment.
- Sun Safety: Provides protection against harmful UV rays.
- Safety First: Made with safety-toughened glass, our skylight windows for flat roofs ensure durability and security.
- Regulation Compliant: Meets all British Standards & Building Regulations and carries the CE safety marking for your peace of mind.
Essential Skylight Accessories
Enhance your flat roof skylight installation with these essential accessories for optimal performance and ease of use:
- Inclined Insulated Upstand for Flat Roof Skylight 800 x 1500 mm: These pre-built upstands, crafted from thin wood veneers bonded with strong adhesives, ensure exceptional structural integrity, preventing warping or sagging over time.
- Skylight Blinds for Flat Roof Window 800x1500mm: 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 800x1500mm: This complete kit includes everything you need for a secure and stress-free installation, ensuring optimal performance and long-lasting enjoyment.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): This high-quality tape provides effective sealing and crucial support during installation, ensuring a tight and secure fit for your skylight.
- 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.
- 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 1500 x 800 mm skylight and 1.5 x 0.8 roof light, as well as fully custom skylights to suit your specific needs. Our flat rooflights deliver exceptional thermal performance, ensuring energy efficiency and year-round comfort. They fill your space with beautiful natural light, creating a brighter and more inviting atmosphere. The sleek, modern design of our flat rooflights adds a touch of sophistication to any setting. Understanding flat roof skylight cost is crucial for your budgeting, and 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 1500 mm Roof Lights Near Me
Looking to order 800 x 1500 mm roof lights near you? Also known as an 0.8 x 1.5 m skylight, this format is ideal for letting natural light flood into creative studios, rear extensions, and spacious living areas. We deliver frameless flat rooflights that meet high expectations on every level.
✅ 4.9/5 Rating – Trusted Across the Industry
✅ Ideal for Extensions, Lofts & New Builds
✅ 20-Year Warranty – Included As Standard
✅ Custom Sizes Available Direct from the Manufacturer
✅ UKCA Certified for Full Building Compliance
Manufactured for UK conditions and delivered fast nationwide, this skylight offers reliability, performance, and stunning visual impact.
| Weight | 61.50 kg |
|---|---|
| Dimensions | 175 × 10 × 105 cm |
| Internal Size |
800 x 1500 mm |
| External Size |
1000 x 1700 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
25 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 1500 mm, Fixed, Frameless, Triple Glazed, 61.50kg, UV 0.9
Original price was: £ 615.00.£ 438.85Current price is: £ 438.85. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 800 x 1500 mm
Original price was: £ 389.00.£ 287.14Current price is: £ 287.14. 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 Walker –
Just had a large skylight installed in our kitchen by Regal Glass Group. The difference in natural light is incredible, and it’s become a stunning
Isabella Khan –
We decided on a bespoke skylight for our bedroom, and we couldn’t be happier with the result. The Regal Glass Group team in Sheffield was professional and efficient, making the whole process a breeze.
Isabella Powell –
I ordered an 800 x 1500 skylight for my bedroom. The quality of sleep and the amount of natural light it brings in are incredible. Regal Glass is the go-to for bedroom skylights.
Monika Lang –
Our fixed roof windows in the dining room make family meals feel cozy and bright.
Nela Chalupa –
Our frameless roof windows in the bedroom are fantastic. The amount of natural light is perfect.
John Edds –
We added a flat roof skylight to our home in Bath, and the difference is unbelievable. The room feels bigger, and the light is lovely.
Jakub Novakich –
Our fixed roof windows in the bathroom make it feel fresh and bright. Great product!
Colm McShane –
The flat roof skylight we installed in York has completely transformed our extension. It’s beautifully crafted and brings in amazing light.
Rohan Gordons –
Our frameless roof window has transformed our kitchen. The light is incredible, and the service we received was excellent.
Lucie Jurikova –
The frameless roof windows in the living room make the space feel more open and modern.
Anna Matyas –
Flat skylights in the kitchen were a fantastic choice. The natural light they bring in is lovely.
Jan Truhlar –
The fixed roof window in our hallway has completely changed the feel of our house.
Martina Kubesova –
Frameless roof windows in the bathroom look stylish and bring in just the right amount of light.