

Fixed Skylight, Frameless Triple Glazed Rooflight
£ 120.00 – £ 2.279.00Price range: £ 120.00 through £ 2.279.00 incl. VAT
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Type: Fixed Frameless Flat Roof Skylight
Glazing Type: Triple Glazed
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance: τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
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Light transmittance: tv [%] | 72% |
External light reflection: pv [%] | 17% |
Internal light reflection: pvi [%] | 17% |
Colour rendering index: Ra [%] | 97% |
Total solar energy transmittance: g [%] | 57% |
Shading coefficient: SC | 0.66 |
UV transmission: τuv [%] | 0% |
Selectivity: | 1.26 |
U value: | 0.9 W/(m².K) |
Sound reduction – EN 12758 | [dB] 39 (-2;-7) |
Delivery & Return
Free delivery for custom size skylights and all orders delivered within London M25 area. For your convenience we offer Nationwide Delivery and Next Day Delivery Option.

Delivery Options Overview
Firstly, we have our own fleet of delivery vehicles and friendly, helpful drivers who are committed to getting your skylights to you in perfect condition. We can deliver your order directly to your home or business at a time that suits you. Our drivers will carefully unload your order and even help you move it to the desired location. Alternatively, we also offer TPN Connect delivery services. TPN Connect is a trusted delivery network that specializes in handling fragile and delicate items, like skylights. They work with reputable courier services to ensure that your order is delivered safely and securely to your door. When you place your order with us, you’ll have the option to choose the delivery method that works best for you.
Delivery Options

Standard Delivery
Get it in 3-6 working days
All orders within London M25. We deliver Monday to Friday between 8am-5pm.

Next Day
Delivery
The orders received until 12:00pm can be delivered on next working day. There is an additional charge.

Local Pickup
From Our Warehouse
You can pick it from our warehouse on this specific time: Monday to Friday between 8am-5pm.

Delivery Of
Custom Size Skylights
Delivered for free of charge. Usually takes between 3 to 6 weeks to be made and shipped over to UK.
How it Works?

Step 1
Order the Product and Receive Email with Order confirmation

Step 2
Update on your Delivery Date with Message or Call

Step 3
Wait for Your Order to Arrive

Step 4
Arange people to help you load of the skylight

Step 5
Accept your Delivery with our Drivers or Book Suitable Delivery Date with Depot.
Exchange or Return of Goods
A 25% restocking fee will be charged on all returned merchandise, unless defective.
Skylights1.com is not responsible for any labor costs, which occur as the result of the installation of wrong or defective parts. If your shipment arrives and appears damaged please inspect the package thoroughly and if the contents appear damaged please refuse the shipment. We will do everything we can to have a new order rushed out to you. Return ship fees are the responsibility of the customer. Refunds for returned items are processed within 10 working days.
Before placing an order, please make sure that you have chosen the correct unit size and have consulted your roofer in advance. If you have purchased the wrong size(s), we will have to cancel and refund the whole order. In this case we will deduct up to 5% transaction fee and in the cases when we have already sent your order, we will also deduct the return shipping fees. Please keep in mind that refunds are processed within 10 working days after units are returned to our warehouse.
The following items may be returned for a refund within 15 days of purchase:
- Merchandise that has not been removed from its original packing.
- Defective merchandise.
- Merchandise that was mispacked or was not shipped correctly.
- Merchandise that has not been installed.

For Extra Discount Use Code: TODAYONLY


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Our Fixed 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
Triple-glazed Roof Windows
Are you thinking of adding a skylight but worried about heat loss? Our Roof Windows boast an impressive U-value of 0.9 W/m²K, thanks to its triple-glazed units and warm edge spacer technology. That means superior insulation, keeping your space cosy in winter and pleasantly cool in summer—all while enjoying tons of natural light!
Why Choose Our Frameless Skylights
- Energy Efficiency: Triple-glazed units and warm edge spacer technology offer outstanding thermal performance, translating to a U-value of 0.9 W/m²K, keeping your space comfortable year-round and reducing energy bills.
- Unobstructed Views: The frameless design maximizes natural light penetration, offering breathtaking panoramic sky views.
- Self-Cleaning Convenience: Effortless maintenance with a sunlight-activated self-cleaning feature that keeps the glass spotless.
- Versatile Installation: It is suitable for flat roofs with pitches between 6° and 45°, making it a great fit for many homes.
- Peaceful Ambiance: Provides effective soundproofing for a quieter indoor environment.
- Sun Safety: Offers protection against harmful UV rays.
- 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.
Essential Skylight Accessories
Upgrade your flat roof skylight experience with these essential add-ons for a seamless skylight installation and optimal performance:
- Foam Rope—Structural Glazing Tape—9mm Thick (7.5m Rolls): This high-quality tape is a double threat during installation. It provides effective sealing to keep the elements at bay and crucial support for a secure fit.
- Weatherproofing Sealant (Silicon)—DOWSIL™ 791, 310ml: This durable sealant is the key to a watertight seal around your skylight. It creates a weatherproof finish that keeps the elements out, ensuring your peace of mind and a comfortable indoor environment.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: This special solution replenishes the skylight’s self-cleaning properties, ensuring effortless maintenance and sparkling glass with minimal effort.
Choose Skylights.co.uk
We offer a variety of standard sizes readily available for purchase, along with custom skylights to suit your specific needs.
No matter the project, our flat roof lights 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 flat roof lights.
Download our entire 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!
Weight | 6.45 kg |
---|---|
Dimensions | 55 × 10 × 55 cm |
Internal Size |
300 x 300 mm ,400 x 400 mm ,400 x 1500 mm ,400 x 2000 mm ,400 x 3000 mm ,500 x 500 mm ,500 x 1500 mm ,500 x 3000 mm ,600 x 600 mm ,600 x 900 mm ,600 x 1200 mm ,600 x 1500 mm ,600 x 1800 mm ,600 x 2000mm ,600 x 2500 mm ,600 x 3000 mm ,800 x 800 mm ,800 x 1000 mm ,800 x 1200 mm ,800 x 1500 mm ,800 x 1800 mm ,800 x 2000 mm ,800 x 2500 mm ,1000 x 1000 mm ,1000 x 1200 mm ,1000 x 1500 mm ,1000 x 2000 mm ,1000 x 2500 mm ,1000 x 3000 mm ,1200 x 1200 mm ,1200 x 1800 mm ,1200 x 2000 mm ,1200 x 2500 mm ,1500 x 1500 mm ,1500 x 2000 mm ,1500 x 2500 mm ,1500 x 3000 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: |
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 |


Before and After
See how a space is completely transformed with our skylights.
- Maximum daylight
- Modern minimalist design
- Superior thermal insulation (U-value as low as 0.9 W/m²K)
- UV protection to preserve interiors
- Excellent noise reduction for a quieter home
- Toughened & laminated glass for enhanced safety
- Low-maintenance self-cleaning glass
One change. Total transformation.
Reasons to Choose Skylights.co.uk?






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.
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.
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.
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