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 BS EN 12150
- Middle Pane: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
- Bottom Pane: Stratobel Clearlite 44.2 / Laminated glass EN 14449
Premium Flat Roof Skylights
Considering adding a skylight but worried about heat loss? Our Flat Roof Skylight 800 x 2500 mm provides a remarkable U-value of 0.9 W/m²K, due to its triple-glazed units and warm edge spacer technology. This ensures excellent insulation, keeping your space warm in winter and cool in summer while flooding your room with natural light.
Why Choose Our Frameless Flat Roof Windows
- Energy Efficiency: Benefit from the exceptional flat roof with skylight thermal performance with triple-glazed units and warm edge spacer technology, achieving a U-value of 0.9 W/m²K for consistent comfort and lower energy bills.
- Unobstructed Views: The frameless design maximizes natural light and offers stunning panoramic sky views.
- Self-Cleaning Feature: Keep your glass effortlessly clean with a self-cleaning feature activated by sunlight.
- Versatile Installation: Suitable for flat roofs with pitches from 6° to 45°, fitting various home styles.
- Peaceful Ambiance: Effective soundproofing ensures a quieter indoor space.
- UV Protection: Protects against harmful UV rays.
- Safety First: Made with safety-toughened glass for enhanced security.
- Regulation Compliant: Meets British Standards & Building Regulations and carries the CE safety marking.
Essential Skylight Accessories
Enhance your skylight for flat roof experience with these essential accessories for smooth roof window installation and peak performance:
- Skylight Blinds for Flat Roof Window 800x2500mm: Custom-fit blinds provide light control and privacy, tailored to your skylight size.
- Installation Kit for 1 x Flat Roof Skylight 800x2500mm: Comprehensive kit ensures secure and hassle-free installation for optimal performance and durability.
- Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): Offers effective sealing and structural support during installation.
- Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Creates a durable, weatherproof seal around your skylight, keeping the elements out.
- Self-Cleaning Liquid Smart Glass Bottle 15ml: Restores the self-cleaning properties of your skylight, ensuring easy maintenance and spotless glass.
Choose Skylights.co.uk
We offer an extensive range of standard sizes, including the popular 2500 x 800 mm skylight (also known as 2.5 x 0.8 m roof light), as well as fully custom skylights tailored to your specific requirements. Our flat rooflights deliver exceptional thermal performance with innovative features like triple glazing, ensuring your space remains comfortable throughout the year. They also allow an abundance of natural light to enhance your room, creating a bright and inviting atmosphere. With sleek, modern designs, our flat rooflights add a touch of sophistication to any setting.
Download our full 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!
🗺️ Where to Buy 800 x 2500 mm Skylights Near Me
Looking for a 800 x 2500 mm roof light near you? Also known as a 0.8 x 2.5 m skylight, this size is perfect for long, narrow spaces—like kitchen extensions or side-return corridors. We produce frameless roof lights that add architectural elegance and day-long brightness.
✅ Elongated Format – Ideal for Linear Design Layouts
✅ Custom Sizes & Configurations Built In-House
✅ Next-Day UK Delivery on Select Models
✅ 20-Year Manufacturer Warranty
✅ Rated 5 Stars on Google
We ship nationwide, providing high-quality, UKCA-certified flat rooflights that balance beauty, build quality, and modern energy performance.
James King –
Installing an 800 x 2500 mm skylight in our kitchen has been a game-changer. Skylights.co.uk really delivered on quality and design, making our cooking space brighter and more inviting.
Sophie Morgan –
The 800 x 2500 mm skylight in our hallway has brightened up the entire house. Kings View Group offers fantastic products and service.
Ella Winslow –
We noticed a big improvement in natural light. Great product!
Orla McGlinchey –
Here in Bristol, our flat roof skylight has totally transformed our living space. The quality is excellent, and it brings in tons of natural light.
Sebastian Montague –
This skylight is both practical and elegant.
Sophia Radcliffe –
Amazing clarity and high-quality glass. The best decision we made.
Daisy Langford –
A modern and energy-efficient addition to our home.