

Pitched Roof Skylight 800 x 1000 mm, Fixed, Frameless, Triple Glazed, 42.40kg, UV 0.9
£ 593.00 Original price was: £ 593.00.£ 416.42Current price is: £ 416.42. incl. VAT
Prices go up when the timer hits zero.
11 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 800 x 1000 mm
External Size: 1000 x 1200 mm
Glazing Type: Triple Glazed
Net Weight: 42kg
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 1000 mm, a perfect fusion of contemporary design and outstanding functionality. With over 20 years of experience in creating top-quality skylights, we have seamlessly integrated aesthetics with practicality to produce skylights for pitched roofs that not only illuminate your home with natural light but also serve as a refined minimalist feature.
Why Choose Our Frameless Pitched Roof Windows
- Energy Efficiency: Achieve exceptional thermal performance with our advanced triple-glazed pitched roof skylight and a 15-millimeter warm edge spacer filled with Argon gas. This innovative configuration delivers an impressive U-value of 0.9 W/m²K, ensuring your home remains comfortable throughout the year while reducing energy costs.
- Unobstructed Views: The frameless, minimalist design enhances the influx of natural light, providing stunning panoramic views of the sky and blending seamlessly with your pitched roof’s architecture.
- Self-Cleaning Convenience: Enjoy hassle-free 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: Benefit from effective soundproofing, creating a quieter and more tranquil indoor environment.
- Sun Safety: Protect your interiors from harmful UV rays, preserving your furnishings.
- Safety First: Built with safety-toughened glass to ensure ultimate peace of mind.
- Regulation Compliant: Meets all British Standards & Building Regulations and carries the CE safety marking. Supported by a solid 20-year warranty, our skylights are crafted for durability and long-lasting performance.
Essential Skylight Accessories
Enhance your pitched roof skylight experience with these essential accessories for seamless roof window installation and optimal performance:
- Skylight Blinds for Pitched Roof Window 800 x 1000 mm: Custom blinds tailored to fit your skylight perfectly, allowing you to control light and privacy to create the desired atmosphere in your space.
- Installation kit for 1 x Pitched Roof Skylight 800 x 1000 mm (for a slate roof) or Installation kit for 1 x Pitched Roof Skylight 800 x 1000 mm (for a tiled roof): Comprehensive kits that ensure secure and stress-free skylights pitched roof installation, maximizing the skylight’s performance.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): High-quality tape that provides 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: A special solution to maintain 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 BS EN 12150
- Middle Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150s
- Bottom Pane: Stratobel Clearlite 44.2 / Laminated glass EN 14449

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 roof window options to find the ideal pitched roof skylight windows for your project. Our skylights deliver exceptional energy efficiency with triple glazing, flooding your space with natural light while adding a touch of modern elegance.
Download our full product catalogue to discover our extensive range and find the perfect skylight windows for pitched roofs for your needs. Ready to discuss your skylight requirements? Contact us today!
What are the most affordable Pitched roof rooflights 800 x 1000 mm options
We offer competitively priced Pitched Roof Rooflights 800 x 1000 mm. Backed with 20 years guarantee and exceptional quality and energy performance.
🗺️ 800 x 1000 mm Pitched Roof Lights Near Me
Searching for 800 x 1000 mm pitched roof lights near you? Also known as a 0.8 x 1 m skylight, this compact rectangular format is a smart fit for pitched kitchens, loft spaces, or side extensions where controlled daylight makes a big visual impact. We produce frameless pitched roof windows designed for clarity, strength, and seamless architectural integration.
✅ Frameless Design – Clean, Modern Finish
✅ Natural Light = Better Mood & Focus
✅ Next-Day Delivery Available
✅ UKCA-Certified for Building Compliance
✅ 20-Year Warranty Included
Our pitched skylights are crafted for performance and elegance—shipped nationwide and trusted by professionals for projects that demand long-term value and precision fit.
Weight | 42 kg |
---|---|
Dimensions | 55 × 10 × 55 cm |
Brand |
Skylights.co.uk |
Color |
Clear |
Internal Size |
800 x 1000 mm |
External Size |
1000 x 1200 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: |
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 |
Shading coefcient : SC |
0.66 |
Selectivity |
1.26 |
UV transmission : τuv [%] |
0 |
Solar energy transmittance : g [%] |
57 |
Sold By Manufacturer
11 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 1000 mm, Fixed, Frameless, Triple Glazed, 42.40kg, UV 0.9
Insulated Upstand for Pitched Roof Skylight 800 x 1000 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







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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.
Frankie Mason –
The 800 x 1000 skylight in our living room has been a innovationgame-changer. It’s amazing how much natural light we get now.
Freya Turner –
The 800×1000 mm skylight in our guest bedroom was the perfect addition. It brings in just the right amount of light and adds a touch of elegance to the space.
Jude Ortiz –
Transformed our Exeter loft with a pitched roof skylight and wow, just wow! The loft’s gone from ‘meh’ to my personal haven. Cheers, KingsView!
Gareth Evans –
The detail-oriented installation of my new skylight was impressive. The KingsView Glass team was knowledgeable and ensured everything was done perfectly. Love the natural light in my previously dark hallway!