Sky Windows for flat and pitched roof
Price range: £ 106.62 through £ 2.157.59 incl. VAT
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Roof Compatibility: Designed for Flat and Pitched Roofs
Glazing System: Advanced Triple-Glazed for Maximum Efficiency
Weather Protection: Fully Leakproof & Tested for Harsh UK Conditions
Pitch Range: Compatible with Roof Slopes from 6° to 45°
Certification: UKCA Marked & Meets All British Building Regulations
Delivery: Free to Most UK Postcodes
Expertly Engineered Skylights Backed by Industry Trust
🏆 Rated 5 Stars on Google
🤝 Trusted by 500+ UK Installers Nationwide
🚚 Reliable, Fast Delivery Across the UK
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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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Affordable Skylights for Flat & Pitched Roofs
Triple-Glazed • UKCA Certified • Fast UK Delivery
Looking to brighten your home or extension without breaking the bank? Our budget-friendly roof lights are engineered for performance, durability, and energy efficiency — all at a price that suits your project.
🪟 Engineered for Efficiency & Aesthetic Appeal
Each unit features high-spec glazing layers designed to maximize insulation, clarity, and strength:
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Top Pane: 6mm Planibel Clearlite (Thermally toughened – BS EN 12150)
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Middle Pane: 4mm Planibel Clearlite (Thermally toughened – BS EN 12150)
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Bottom Pane: Stratobel Clearlite 44.2 iplus 1.1 (Laminated Low-E – EN 14449)
With a market-leading U-value of 0.9 W/m²K, these skylights help maintain year-round comfort while reducing energy bills.
🏠 Built for Versatility & Seamless Integration
Compatible with both flat and pitched roofs (6° to 45°), our frameless skylights are the perfect solution for homeowners seeking cost-effective flat roof windows with modern architectural appeal.
🌤️ Product Highlights
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Triple Glazing with Warm Edge Technology – Outstanding thermal insulation
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Self-Cleaning Coating – Sunlight-activated surface reduces maintenance
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Soundproofing – Acoustic insulation up to 39dB
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UV Protection – Blocks harmful rays while flooding interiors with light
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Toughened & Laminated Safety Glass – Built for overhead durability
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Certified Safe – Fully compliant with UKCA, CE, and Part L building standards
💡 Smart Value for Your Project
Our skylights offer a savvy alternative to low-cost roof lights, combining durability and elegance in one package. Whether you’re updating your loft, kitchen, or garage, we provide high-performance skylight solutions at a cost-effective price.
Wondering how much it costs to install a skylight in a flat roof? Our expert team offers transparent quotes and technical guidance — no hidden fees, no guesswork.
Why Choose Skylights.co.uk?
Exceptional Thermal Efficiency
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🧊 U-Value as Low as 1.0 W/m²K – Reduce heat loss and improve indoor comfort
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✅ Part L Compliant – Meets all UK energy efficiency regulations
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🔲 Triple-Glazed Design – Minimizes condensation, heat transfer & external noise
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🛡️ Impact-Resistant Glass – Laminated and toughened for overhead safety
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☔ 20-Year No-Leak Guarantee – Weather-tested and stormproof for UK conditions
Customer Convenience & Support
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🚚 Fast UK Delivery – Arrives in 3–5 business days, tracked and insured
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🔄 Hassle-Free Returns – 15-day return window on standard sizes
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📞 Expert UK-Based Support – Get real help from real people — no call centres
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 bring more light into your home? Discover the perfect blend of energy efficiency, minimalist design, and value-driven pricing with us.Illuminate any space with our versatile Sky Windows, the ultimate glazing solution engineered for both flat and pitched roofs. Providing up to three times more natural light than a vertical window, this single product line eliminates complexity, offering a sleek, high-performance solution whether you’re working on a new-build extension, a loft conversion, or a flat-roof renovation.
Our Universal Roof Windows are designed to deliver exceptional energy efficiency thanks to superior thermal insulation and high-quality glazing, helping to regulate your indoor climate and significantly reduce heating and cooling costs. Choose from fixed models for uninterrupted natural daylight or vented (opening) options to ensure superior ventilation and a fresh, healthy indoor environment. Secure, durable, and suitable for virtually any roof pitch, our Sky Windows offer an unobstructed view and an instant uplift in home value and living 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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