Flat Roof Skylight 1200 x 2000 mm, Fixed, Frameless, Triple Glazed, 107kg, UV 0.9
Original price was: £ 1.688.00.£ 995.92Current price is: £ 995.92. incl. VAT
Prices go up when the timer hits zero.
20 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 1200 x 2000 mm
External Size: 1400 x 2200 mm
Glazing Type: Triple Glazed
Net Weight: 107kg
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: 4 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Bottom Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
Premium Flat Roof Skylights
Thinking of adding a window for flat roof but worried about heat loss? Our Flat Roof Skylight 1200 x 2000 mm offers an exceptional U-value of 0.9 W/m²K, thanks to its triple-glazed units and warm edge spacer technology. This ensures superior insulation, keeping your space warm in winter and cool in summer while flooding your room with natural light.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Enjoy top-notch thermal performance with triple-glazed units and warm edge spacer technology, achieving a U-value of 0.9 W/m²K for year-round comfort and reduced energy bills.
- Unobstructed Views: The frameless design maximizes natural light and offers breathtaking panoramic views of the sky.
- Self-Cleaning Feature: Keep your glass spotless with a sunlight-activated self-cleaning feature for effortless maintenance.
- Versatile Installation: Suitable for flat roofs with pitches from 6° to 45°, accommodating various home styles.
- Peaceful Ambiance: Effective soundproofing ensures a quieter indoor environment.
- Sun Protection: Shields your interior from harmful UV rays.
- Safety First: Constructed with safety-toughened glass for enhanced security.
- Regulation Compliant: Fully compliant with British Standards & Building Regulations and carries the CE safety marking.
Essential Skylight Accessories
Enhance your flat roof with windows with these must-have accessories for smooth skylight installation and optimal performance:
- Skylight Blinds for Flat Roof Window 1200x2000mm: Custom-fit blinds provide light control and privacy, tailored specifically for your skylight size.
- Installation Kit for 1 x Flat Roof Skylight 1200x2000mm: Comprehensive kit for secure and hassle-free installation, ensuring optimal performance and longevity.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): Provides effective sealing and structural support during installation.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Creates a durable, weatherproof seal around your skylight, keeping the elements out.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: Replenishes the self-cleaning properties of your skylight, ensuring easy maintenance and spotless glass.
Choose Skylights.co.uk
We offer an extensive range of standard sizes, including the popular 2000 x 1200 mm skylight (also known as 2 x 1.2 m roof light), as well as fully custom skylights tailored to your specific needs. Our flat rooflights provide:
- Exceptional Thermal Performance: Triple glazing ensures superior insulation and year-round comfort.
- Natural Light Abundance: Floods your space with beautiful natural light, creating a bright and inviting atmosphere.
- Elegant Design: Sleek, modern designs that add a touch of sophistication to any setting.
Download our full product catalogue to explore our extensive Flat Roof skylight range and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy 1200 x 2000 mm Roof Lights Near Me
Need a 1200 x 2000 mm skylight near you? Also referred to as a 1.2 x 2 m roof light, this generously sized format is excellent for flooding open spaces with natural light. Whether you’re designing a new extension or upgrading a modern build, we deliver flat roof lights that are technically sound and visually striking.
✅ Large Skylight – For Bright, Airy Living Spaces
✅ Installer Support Available – Phone, Email or Onsite Guidance
✅ Bespoke Options – Tailored to Your Design Goals
✅ Secure, Trusted Online Checkout
✅ Certified to UKCA and British Standards
We make every skylight with care, precision, and full compliance—ensuring exceptional quality for homes and commercial builds alike.
| Weight | 108 kg |
|---|---|
| Dimensions | 205 × 10 × 145 cm |
| Brand |
Skylights.co.uk |
| Internal Size |
1200 x 2000 mm |
| External Size |
1400 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: |
6 mm iplus 1.1 pos.5 Thermally toughened glass with Low-E coating EN 12150 |
| 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
20 in stock (can be backordered)
7 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 1200 x 2000 mm, Fixed, Frameless, Triple Glazed, 107kg, UV 0.9
Original price was: £ 1.688.00.£ 926.21Current price is: £ 926.21. incl. VAT
Inclined Insulated Upstand for Flat Roof Skylight 1200 x 2000 mm
Original price was: £ 384.00.£ 285.70Current price is: £ 285.70. 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.
Morris Green –
We went for an electric opening skylight in our living room, and the difference is night and day!
Albie Morris –
Our new rooflight has completely transformed our staircase area. The installation process was smooth and professional.
Liam Taylor –
Our dining area is now the highlight of our home, thanks to the Regal Glass skylight. Meals under the sky have a whole new meaning.
Maisie Ford –
Website is well-designed and super simple to navigate.