Cheap roof windows Certified BS & UKCA
£ 95.00 – £ 2.279.00 incl. VAT
Choose Your Skylight Size:
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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Triple-Glazed Frameless Skylights for Flat & Pitched Roofs
Looking for cheap flat roof skylights without compromising on quality? Regal Glass 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?
Regal Glass offers 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 Regal Glass Roof lights
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.
Contact us today!
| Weight | 6.45 kg |
|---|---|
| Dimensions | 55 × 10 × 55 cm |
| Brand |
Regal Glass |
| Manufacturer | |
| 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 |
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 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 Regal Glass Roof Windows?
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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