Lantern Windows Flat Glass BS & UKCA
Price range: £ 106.62 through £ 2.157.59 incl. VAT
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Roof Type: Suitable for Flat and Pitched Roofs
Glazing: High-Performance Triple Glazing
Weather Resistance: Leakproof Construction, Rigorously Tested for Extreme Conditions
Roof Pitch Compatibility: From 6° to 45°
Compliance: UKCA Certified | Fully Compliant with British Building Regulations
Free Delivery to Most UK Postcodes
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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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Triple-Glazed Frameless Skylights for Flat & Pitched Roofs
Looking for cheap flat roof skylights without compromising on quality? We offers high-specification skylights at competitive prices, ideal for home renovations and new builds alike.
🪟 Precision-Engineered for Energy Efficiency & Modern Aesthetics
Each skylight unit includes:
Top Pane: 6mm Planibel Clearlite (Thermally toughened – BS EN 12150 certified)
Middle Pane: 4mm Planibel Clearlite (Thermally toughened – BS EN 12150 certified)
Bottom Pane: Stratobel Clearlite 44.2 iplus 1.1 (Laminated Low-E – EN 14449 compliant)
With a U-value of just 0.9 W/m²K, these units are among the most thermally efficient on the market
🏠 Versatile Design for Modern Homes
Compatible with both flat and pitched roofs (6° to 45°), our frameless skylights bring a sleek architectural finish and stunning daylight to any space. A top pick for homeowners exploring cost-effective flat roof skylights without sacrificing quality.
🌤️ Benefits at a Glance
Superior Thermal Insulation – Triple glazing with warm edge spacers
Frameless Elegance – Clean sightlines and open sky views
Self-Cleaning Coating – Sunlight-activated glass stays clear longer
Noise Reduction – Acoustic insulation up to 39dB
UV Filtering – Protects interiors while maximizing light
High-Grade Safety Glass – Toughened and laminated for safety overhead
Fully Certified – Meets all UKCA & CE standards
💡 Looking for Budget-Friendly Skylights?
We offer a smarter alternative to low-cost roof lights, combining long-lasting performance with refined aesthetics. Ideal for those browsing premium skylight options for home upgrades or extensions.
Wondering how much it costs to install a skylight in a flat roof? Our team provides upfront pricing and expert guidance — no surprises, no inflated fees.
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:
Superior Thermal Efficiency
🧊 Outstanding Insulation – Achieves U-values as low as 1.0 W/m²K, helping you create a more energy-conscious and comfortable home.
✅ Part L Certified – Fully compliant with UK Building Regulations for thermal performance and energy-saving standards.
🔲 Triple Glazing Technology – Delivers advanced protection against heat loss, condensation, and outside noise.
🛡️ Laminated & Toughened Safety Glass – Engineered for overhead safety and built to resist impact, ensuring long-lasting peace of mind.
☔️ 20-Year Leakproof Warranty – Rigorously tested to withstand heavy UK rain and wind, guaranteed not to leak.
Convenience & Support You Can Count On
🚚 Rapid UK Delivery – Dispatched within 3–5 working days with full tracking and insurance included.
🔄 Easy Returns Policy – Changed your mind? Return within 15 days with our hassle-free satisfaction guarantee.
📞 Reliable UK-Based Support – Talk to real experts for quotes, product guidance, or installation help whenever you need it.
Ease of Installation
Our skylights are designed for quick and secure fitting, with a flashing kit included for a watertight seal. Need help? Our expert installer support connects you with certified fitters or full installation services upon request.
Download our entire product catalogue to explore our extensive Frameless skylight range and find the perfect solution for your project.
Looking for an affordable way to brighten your space? Our skylights offer the perfect blend of elegance, energy efficiency, and cost-effectiveness.
Introducing our premium Lantern Windows Flat Glass, the architectural glazing feature designed to flood your space with an unparalleled volume of natural light. Perfect for modern flat-roof extensions, this unit provides a sleek, minimalist aesthetic while creating a stunning visual centerpiece for your room.
Engineered for the UK market, our flat glass lanterns carry essential compliance—they are BS (British Standard) certified and bear the **UKCA (UK Conformity Assessed)** mark. This assurance means every unit meets stringent requirements for safety, durability, and superior thermal performance, offering you complete peace of mind.
Experienceexceptional energy efficienc with advanced, often multi-layered, glazing that minimises heat loss and maximises solar gain, achieving impressive low U-values. The slim, thermally broken aluminium frame supports an unobstructed view of the sky, while high-security features and weather-resistant seals ensure your home is protected and comfortable in all conditions. Choose the Lantern Windows Flat Glass for a seamless blend of contemporary elegance and certified, long-lasting quality.
Contact us today!
| Weight | 6.45 kg |
|---|---|
| Dimensions | 55 × 10 × 55 cm |
| Internal Glass 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 2000 mm ,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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