

Pitched Roof Skylight 800 x 2000 mm, Fixed, Frameless, Triple Glazed, 81.40kg, UV 0.9
£ 688.00 Original price was: £ 688.00.£ 522.87Current price is: £ 522.87. incl. VAT
Prices go up when the timer hits zero.
18 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 800 x 2000 mm
External Size: 1000 x 2200 mm
Glazing Type: Triple Glazed
Net Weight: 81kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
Roof Pitch Range: 6° to 45°
Premium Pitched Roof Skylights
Introducing the Pitched Roof Skylight 800 x 2000 mm, a blend of contemporary architectural design and high functionality. With over 20 years of experience in creating premium skylights, we have seamlessly integrated form and function to produce a skylight that floods your home with natural light while serving as a striking minimalist feature.
Why Choose Our Frameless Pitched Roof Windows
- Energy Efficiency: Experience top-tier thermal performance with our advanced triple-glazed units and a 15-millimeter warm edge spacer filled with Argon gas. This configuration achieves an exceptional U-value of 0.9 W/m²K, ensuring year-round comfort and lower energy costs.
- Unobstructed Views: The frameless, minimalist design maximizes natural light penetration, providing stunning panoramic views of the sky and seamlessly integrating with your pitched roof’s architecture.
- Self-Cleaning Convenience: Enjoy effortless maintenance with a sunlight-activated self-cleaning feature that keeps the glass clear and spotless.
- Versatile Installation: Suitable for roof pitches ranging from 6° to 45°, making it adaptable to various home designs.
- Peaceful Ambiance: Effective soundproofing creates a quieter, more serene indoor environment.
- Sun Safety: Protects your interiors from harmful UV rays, preserving your furnishings.
- Safety First: Constructed with safety-toughened glass to ensure ultimate peace of mind.
- Regulation Compliant: Adheres to all British Standards & Building Regulations and carries the CE safety marking. Backed by a robust 20-year warranty, our skylights are designed for durability and long-lasting performance.
Essential Skylight Accessories
Enhance your pitched roof skylight experience with these essential accessories for seamless skylight installation and optimal performance:
- Skylight Blinds for Pitched Roof Window 800 x 2000 mm: Custom blinds designed to fit your skylight perfectly, allowing you to control light and privacy and create the desired atmosphere in your space.
- Installation kit for 1 x Pitched Roof Skylight 800 x 2000 mm (for a slate roof) or Installation kit for 1 x Pitched Roof Skylight 800 x 2000 mm (for a tiled roof): Comprehensive kits that ensure secure and stress-free installation, maximizing the skylight’s performance.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): High-quality tape offering effective sealing and structural support during installation.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: A durable sealant providing a weatherproof finish, protecting against the elements and ensuring a comfortable indoor environment.
- Lead Flashing Smooth 45cm x 5m Roll Grey – Easy-Trim and Lead Flashing Textured 45cm x 5m Roll Grey – Easy-Trim: BBA-certified lead replacement, versatile for both pitched and flat roof applications.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: This special solution maintains the self-cleaning properties of your skylight, ensuring clear, sparkling glass with minimal effort.
Our Pitched 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

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 skylight options to find the perfect pitched roof skylight for your project.
Benefit from:
- Exceptional Thermal Performance: Superior energy efficiency with triple glazing, ensuring year-round comfort.
- Abundant Natural Light: Illuminate your space with beautiful natural light and contemporary design.
- Elegant Design: Enhance any setting with our stylish and modern pitched roof skylights.
Download our full product catalogue to explore our extensive range of Pitched Roof skylights.
Ready to discuss your skylight needs? Contact us today!
Can Pitched Roof Skylight 800 x 2000 mm help with lighting
Our Pitched Roof Skylight 800 x 2000 mm will maximize natural light in your living space offering maximum energy performance on the other hand.
🗺️ 800 x 2000 mm Pitched Roof Lights Near Me
Searching for 800 x 2000 mm pitched roof lights near you? Also called a 0.8 x 2 m large skylight, this extended format is ideal for pitched roof extensions, vaulted ceilings, and standout feature rooms that demand high-impact daylight. We design frameless pitched roof windows that combine sharp architectural appeal with triple-glazed performance and lasting energy efficiency.
✅ 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
Our skylights are UKCA certified, weather-tested for sloped applications, and shipped direct from our UK facility—ready to enhance your next pitched roof project with clarity and confidence.
Weight | 81 kg |
---|---|
Dimensions | 55 × 10 × 55 cm |
Brand |
Skylights.co.uk |
Color |
Clear |
Internal Size |
800 x 2000 mm |
External Size |
1000 x 2200 mm |
Glazing Type | |
Glass Tint | |
Self-Cleaning: |
Yes |
Roof Type |
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 |
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18 in stock (can be backordered)
Available on back-order
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Our triple-glazed pitched roof skylights flood your space with natural light while delivering exceptional thermal efficiency. Pair them with our separately sold Insulated Upstand, featuring 40mm core insulation to minimize heat loss and cut energy costs.
Why Choose Our Insulated OSB Upstands?



Brighten Your Home & Save – Bundle and Save!
Upgrade to our triple-glazed pitched roof skylights for stunning natural light and superior energy efficiency.
Add our Insulated Upstand and save up to 7% when you bundle!
✔️ Maximize thermal performance
✔️ Lower your energy bills
✔️ Enjoy long-lasting durability
Get the complete, premium solution for less – bundle your skylight and upstand today!
Get a Bundle with extra 7 % Discount on Skylight and Upstand
Pitched Roof Skylight 800 x 2000 mm, Fixed, Frameless, Triple Glazed, 81.40kg, UV 0.9
Insulated Upstand for Pitched Roof Skylight 800 x 2000 mm


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.
FAQ
Yes. This unit is designed for pitched roofs between 6° and 45° and is compatible with both tile and slate. We also supply flat roof options separately.
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, our skylights can be installed on both cold and warm roof types.
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.
Declan Rowe –
Fitted the 800×2000 mm skylight into a client’s roof and they are ecstatic with the result. As a contractor, it’s rewarding to work with such high-quality products that are both easy to install and durable.
Vera Lucas –
KingsView Windows – timeless!