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£ 1.649.00 Original price was: £ 1.649.00.£ 1.290.00Current price is: £ 1.290.00. incl. VAT
Prices go up when the timer hits zero.
3 in stock (can be backordered)
Regal Glass Group: A trusted manufacturer of premium roof windows ✓
Leakproof Design – Tested for Maximum Weather Resistance
Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 1000 x 3000 mm
External Size: 1200 x 3200 mm
Glazing Type: Triple Glazed
Net Weight: 181.80kg
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°
Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.
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3 in stock (can be backordered)
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Premium Pitched Roof Skylights
Immerse your space in natural light with the innovative Regal Glass Pitched Roof Skylight 1000 x 3000 mm. This architectural marvel seamlessly blends design and functionality. Backed by over 20 years of experience crafting the finest skylights, we offer a variety of pre-fabricated sizes and custom options to ensure a perfect fit for your project.
Why Choose Our Frameless Pitched Roof Windows
Unmatched Benefits for Your Home:
- Exceptional Thermal Performance: Advanced triple-glazed units with a 15mm warm edge spacer filled with Argon gas achieve an impressive U-value of 0.9 W/m²K. Enjoy significant reductions in energy bills and year-round comfort in your home.
- Unobstructed Views: The frameless design maximizes natural light penetration, offering breathtaking panoramic vistas and a sleek, minimalist aesthetic that integrates seamlessly with your pitched roof’s architecture.
- Effortless Maintenance: Enjoy spotless glass with our self-cleaning technology, activated by sunlight for minimal upkeep.
Additional Benefits:
- Versatile Installation: Suitable for roof pitches between 6° and 45°, making our Pitched Roof Skylights a great fit for many homes.
- Peaceful Ambiance: Provides effective soundproofing for a quieter indoor environment.
- Sun Safety: Offers protection against harmful UV rays, safeguarding your interiors.
- Safety First: Constructed with safety-toughened glass for ultimate peace of mind.
- Regulation Compliant: Meets all British Standards & Building Regulations and carries the CE safety marking.
Built to Last – backed by a 20-year warranty, our pitched roof windows are a testament to superior durability and performance.
Essential Pitched Roof Skylight Accessories
Enhance your pitched roof skylight experience with these essential add-ons for a seamless rooflight installation and optimal performance:
- Skylight Blinds for Pitched Roof Window 1000 x 3000 mm: Maintain complete control over light and privacy with blinds designed specifically for your skylight size.
- Installation Kit for 1 x Pitched Roof Skylight 1000x3000mm (for a slate roof) or Installation Kit for Pitched Roof Skylight 1000x3000mm (for a tiled roof): Ensure a secure and stress-free installation with the appropriate kit for your roof material. Everything you need for a secure and stress-free installation on a tiled roof.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): Provides both effective sealing and structural support during installation.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Ensures a watertight seal around your skylight for lasting peace of mind.
- 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 for pitched roof applications.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: Replenishes the self-cleaning properties of your skylight for effortless maintenance.
Our Pitched Roof Skylights are composed of three distinct glass panes, each contributing to the unit’s durability and thermal efficiency:
- Top Pane: 8 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Middle Pane: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Bottom Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
Choose Regal Glass Skylight Windows
We offer an extensive range of standard sizes, including the popular 3000 x 1000 mm skylight (also known as 3 x 1 m roof light), as well as fully custom skylights to suit your specific needs. No matter the project, our Pitched Roof Skylights provide:
- Exceptional Thermal Performance: Enjoy outstanding energy efficiency thanks to innovative features like triple glazing, keeping your space comfortable year-round.
- Natural Light Abundance: Bathe your space in beautiful natural light with our Skylights, creating a brighter and more inviting atmosphere.
- Elegant Design: Add a touch of sophistication to any setting with our sleek and modern Pitched Roof Skylights.
Download our full product catalogue to explore our extensive Pitched Roof Skylight range and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
Can Pitched roof windows 1000 x 3000 mm be used in a conservatory
Yes, Regal Glass Group’s Pitched Roof Windows 1000 x 3000 mm are suitable for conservatories.
🗺️ 1000 x 3000 mm Pitched Roof Lights Near Me
Need a 1000 x 3000 mm pitched roof light near you? Also referred to as a 1 x 3 m large skylight, this expansive format is perfect for pitched roof garden rooms, vaulted ceilings, and premium loft conversions where uninterrupted daylight and bold design meet. At Regal Glass Group, we manufacture frameless pitched roof windows that blend scale with performance and elegant simplicity.
✅ Frameless Design – Seamless Glass-to-Sky View
✅ Saves Up to 10% on Energy Bills
✅ Rated 5 Stars on Google
✅ UKCA Certified – Building Regs Compliant
✅ Fast UK Delivery from Our Own Factory
Crafted to enhance architectural impact and deliver reliable thermal insulation, our skylights are weather-tested, full
Weight | 147.60 kg |
---|---|
Dimensions | 55 × 10 × 55 cm |
Brand |
Regal Glass |
Color |
Clear |
Internal Size |
1000 x 3000 mm |
External Size |
1200 x 3200 mm |
Glazing Type | |
Glass Tint | |
Self-Cleaning: |
Yes |
Roof Type |
Pitched Roof |
Skylight Type |
Frameless |
Top Glass Pane: |
8 mm Planibel Clearlite / Thermally toughened glass EN 12150 |
Air Gap |
16 mm Argon 90% |
Middle Glass Pane: |
6 mm Planibel Clearlite / Thermally toughened glass EN 12150 |
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 |
Delivery Times:
- Standard Size Flat & Pitched Skylights: Typically delivered within 3 to 6 working days.
- Custom Size Orders: Production and delivery to the UK take approximately 3 to 6 weeks. Delivery is free of charge.
- Roof Lanterns: Delivered within 10-14 working days from the date of order.
- Framed Skylights: Delivered within 10-14 working days from the date of order.
- Electric Opening Skylights: Delivered within 10-14 working days from the date of order.
- Walk-On Skylights: Delivered within 10-14 working days from the date of order.
- Skylight Blinds: Delivered within 10-14 working days from the date of order.
Delivery Hours:
- Monday to Friday, between 8 am and 5 pm.
Once your payment has been processed, we will contact you to arrange a convenient delivery time.
Placing an Order: To view delivery costs, please add your desired products to the cart and enter the shipping address.
Delivery Areas:
- Within London (M25): Our dedicated drivers ensure safe delivery. Please ensure that you or your builders are present to accept the delivery, as our drivers work alone and the vehicles are pre-loaded.
- Outside London (M25): We utilize an external shipping network. The courier will contact you to schedule a suitable delivery time.
- Extra Economy Shipping: Available for all areas except Northern Ireland and Scotland. In rare cases, delivery may be to a local depot if suitable vehicles are unavailable.
Important Notes:
- Many of our products are heavy, ranging from 10kg to 280kg. Depending on the size and weight, additional help may be required for unloading (2-6 people).
- We are not liable for any damage during unloading. It is the customer's responsibility to manage this process.
- If no one is present to receive the delivery, our driver will attempt to contact you via phone, text, or voicemail. If contact cannot be made, the product will be returned to our warehouse.


Before and After
See how a space is completely transformed with a Regal Glass skylight.
- Maximum daylight
- Modern minimalist design
- Superior insulation & UV protection
One change. Total transformation. Choose Regal Glass Group.
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.
Frameless Skylights Glass Performance
Experience the perfect blend of natural light, energy efficiency, noise reduction, and UV protection with our precision-engineered glass.

Easy to replicate
Installation Guide
Dive into our user-friendly Installation Guide for a smooth skylight setup. Get the clarity you need, step-by-step.
Click below to explore the full guide.
Customer Reviews
6 reviews for Pitched Roof Skylight 1000 x 3000 mm, Fixed, Frameless, Triple Glazed, 181.80kg, UV 0.9
Clear filtersFAQ
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.
Dean Hawkins –
Just completed a loft conversion with a Regal Glass skylight. The client was over the moon with the extra light and the modern touch it added to their home.
Oliver Green –
The large skylight in our living room not only brightens the space but also adds an architectural element we love.
Amelia Warren –
Our skylight has made our living room the centerpiece of our home. The difference in light is remarkable.
Oliver Potts, Liverpool –
Massive 1000×3000 mm skylight installed over our indoor pool, and it’s a game-changer. The light reflection on the water creates a stunning effect, and the triple-glazed glass maintains perfect indoor temperatures.
Ellis Alexander –
I installed a pitched skylight in my Sheffield home’s bathroom, and it’s like having a whole new space. The natural light is fantastic.
Oscar Roberts –
Just had a 1000×3000 mm skylight installed in our master suite. It’s like sleeping under the stars every night. The team did a fantastic job with the installation, very professional and organised.