Flat Roof Skylight 500 x 500 mm, Fixed, Frameless, Triple Glazed, 14.85kg, UV 0.9
Original price was: £ 280.00.£ 188.48Current price is: £ 188.48. incl. VAT
Prices go up when the timer hits zero.
3 in stock (can be backordered)
Skylights.co.uk: Trusted rooflights. Built to prevent leaks.
Type: Fixed Frameless Flat Roof Skylight
Internal Size: 500 x500 mm
External Size: 700 x 700 mm
Glazing Type: Triple Glazed
Net Weight: 14.85kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0
Toughened safety & laminated glass
Leakproof Design
Our Flat Roof 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
Premium Flat Roof Skylights
Considering a skylight but concerned about heat loss? Our Flat Roof Skylight, sized at 500 x 500 mm, offers a remarkable U-value of 0.9 W/m²K. Its triple-glazed units and warm edge spacer technology provide excellent insulation, keeping your space warm in winter and cool in summer, all while filling your home with natural light.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: The triple-glazed units with warm edge spacer technology deliver superior thermal performance, resulting in a U-value of 0.9 W/m²K, which ensures year-round comfort and lowers energy costs.
- Unobstructed Views: The frameless design allows maximum natural light, providing stunning panoramic views of the sky.
- Self-Cleaning Convenience: Sunlight-activated self-cleaning technology makes maintenance a breeze, keeping the glass clear and clean.
- Versatile Installation: Compatible with flat roofs with pitches from 6° to 45°, making it adaptable to various homes.
- Peaceful Ambiance: Provides excellent soundproofing for a quieter indoor environment.
- Sun Safety: Shields against harmful UV rays.
- Safety First: Made with safety-toughened glass for enhanced security.
- Regulation Compliant: Complies with all British Standards & Building Regulations and includes the CE safety marking.
Essential Skylight Accessories
Enhance your skylight installation with these essential accessories for optimal performance:
- Installation Kit for 1 x Flat Roof Skylight 500x500mm: This comprehensive kit provides everything needed for a secure and easy installation, ensuring your skylight performs optimally.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): High-quality tape that provides effective sealing and support during installation for a secure fit.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: This durable sealant ensures a watertight seal around your skylight, protecting your space from the elements.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: This solution replenishes the self-cleaning properties of your skylight, ensuring effortless maintenance and a sparkling finish.
Choose Skylights.co.uk
We offer a wide range of standard sizes and custom skylights to meet your unique requirements.
Our flat rooflights provide:
- Exceptional Thermal Performance: Triple glazing offers excellent energy efficiency, keeping your space comfortable all year round.
- Natural Light Abundance: Our skylights flood your space with natural light, enhancing brightness and creating an inviting atmosphere.
- Elegant Design: Our sleek, modern flat rooflights add sophistication to any setting.
Download our full product catalogue to explore our extensive range of flat roof skylights and find the perfect solution for your project.
Ready to discuss your skylight needs? Contact us today!
🗺️ Where to Buy Flat Roof Lights 500 x 500 mm Near Me
Searching for flat roof lights in 500 x 500 mm near you? Also known as a 0.5 x 0.5 m roof light, this size is perfect for small spaces like utility rooms, cloakrooms, or compact extensions where a boost of natural light makes a big impact. Our skylights are expertly crafted for easy installation, performance, and style.
✅ Saves up to 10% on energy bills
✅ Certified for UK weather – no condensation, no drafts
✅ Trusted by 1,200+ UK homeowners & trades
✅ Custom Sizes Available
✅ Fast UK Delivery
With UKCA-certified quality and a manufacturer-direct approach, we make it simple to order reliable, high-performance skylights—delivered wherever you are in the UK.
| Weight | 14.85 kg |
|---|---|
| Dimensions | 75 × 10 × 75 cm |
| Brand |
Skylights.co.uk |
| Internal Size |
500 x 500 mm |
| External Size |
700 x 700 mm |
| Glazing Type | |
| Glass Tint | |
| Self-Cleaning: |
Yes |
| 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 |
| 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 |
| U value |
0.9 [W/(m².K)] |
| Sound reduction - EN 12758 |
[dB] 39 (-2;-7) |
| Roof Type |
Flat Roof ,Pitched Roof |
| Skylight Type |
Frameless |
| UV transmission : τuv [%] |
0 |
Sold By Manufacturer
3 in stock (can be backordered)
9 in stock (can be backordered)
ACTIVE PROMOTION
Use Code: TODAYONLY
Transform your home with our triple-glazed flat roof skylights, maximizing natural light and thermal efficiency. Pair them with our separately sold Insulated Upstand, featuring 40mm core insulation to cut heat loss and lower energy costs.
Why Choose Our Insulated OSB Upstands?
Perfect Pitch for Water Drainage
Built-In 6° Pitch for perfect drainage
Exceptional Insulation
High Insulation with 40mm core and 15mm OSB
Ready-to-Install, Precision-Cut Fit
Factory-made to match our skylights exactly
Brighten Your Home & Save More – Bundle & Save!
Upgrade with our triple-glazed flat roof skylights for maximum light and energy efficiency.
Add the Insulated Upstand and save up to 7% with our bundle offer!
✔️ Boost thermal performance
✔️ Cut energy costs
✔️ Enjoy lasting durability
Get the complete solution at a better price – bundle today!
Get a Bundle with extra 7% Discount on Skylight and Upstand
Flat Roof Skylight 500 x 500 mm, Fixed, Frameless, Triple Glazed, 14.85kg, UV 0.9
Original price was: £ 280.00.£ 175.29Current price is: £ 175.29. incl. VAT
Before and After
See how a space is completely transformed with a Skylights.co.uk.
- Maximum daylight
- Modern minimalist design
- Superior insulation & UV protection
One change. Total transformation.
Our Roof Windows in Action
Photos from completed projects by our clients
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.
TILE & MEMBRANE COMPATIBLE
FLAT ROOFS
EASY & SECURE INSTALLATION
Will It Fit My Roof?
1. Flat Roofs
Our skylights are suitable for flat roofs with a minimum pitch of 6° when installed with the correct upstand or flashing kit.
2. Tile & Membrane Compatible
Designed for all common UK roof types – from clay tiles and slate to EPDM, GRP, and bitumen flat roof membranes.
3. Easy & Secure Installation
Each skylight is engineered for watertight, airtight installation. Use our installation kits and add our pre-fabricated upstands for a perfect fit and finish.
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.
Sophie Patel –
I’m over the moon with the small skylight we chose for our bathroom. It’s the perfect addition, bringing in just the right amount of light. Regal Glass Group made the whole process smooth and easy, even here in Birmingham.
Sophia Perry, London –
Very good quality, the roof window fits perfectly in our bathroom. Very pleased.
Eva Patel –
I never imagined a bathroom skylight could bring so much joy. The light, the ambiance, it’s all perfect. Regal Glass provided exceptional service and unbeatable prices. Highly recommend their flat roof skylights!
Katie Allen –
The skylight looks great in our living room. I’m happy with it.
George Allerton –
The best roof window we’ve had! Looks incredible in our loft conversion.
George Johnson –
Just had a 50 x 50 cm skylight fitted in my attic, and the difference is night and day. The craftsmanship of these roof lights is exceptional. My attic feels so much more open and inviting now.
Grace Cole –
Installed a small skylight in a client’s office. They love it, very nice product.
Aiden Blake –
Happy with the skylight in our living room. It brings in plenty of light.
Daisy Wakefield –
The difference in our home is unbelievable. The flat roof skylight is perfect!
James MacGregor –
The flat roof skylight we installed in our Glasgow home has completely brightened our loft conversion. The natural light it brings in is stunning.
Laura McMillan –
Living in Edinburgh, we needed more natural light, and the flat roof skylight was the perfect solution. It’s beautifully designed and fits our space perfectly.
Farida Hussain –
Good product!
Hannah Lister –
Brilliant quality. The glass is clear, and the frame is solid.