What Were the Best Brands or Types of Skylights for 2025?
Choosing the right skylight brand can be overwhelming, especially with numerous excellent manufacturers in the UK and Europe. Whether you're planning a flat roof extension, loft conversion, or bathroom upgrade, understanding the differences between top skylight brands will help you make the right decision.
In this expert guide, we’ll explore the most popular skylight types for the last year and compare leading brands: VELUX, ROTO, FAKRO, Keylite and KingsView Glass models — with a special focus on frameless fixed options for both flat and pitched roofs.
Disclaimer: All product names, trademarks, and registered trademarks are property of their respective owners. KingsView Glass does not claim ownership of VELUX, ROTO, FAKRO or Keylite brand.
Table of Contents
Which Skylight Types Are Best for Your Project?
Before diving into brands, consider what type of skylight you need:
✅ Fixed Frameless Rooflights – Best for flat or pitched roofs, no ventilation required
✅ Opening Roof Windows – Ideal for pitched roofs or lofts needing airflow
✅ Modular Skylights – Great for larger glazed areas or atriums
✅ Walk-on Rooflights – Used for terraces or roof decks
Each type serves different purposes depending on roof pitch, room function, and ventilation needs.
“Aesthetics, insulation, and practicality should all play a role when choosing between skylight brands — especially if you’re working with a flat roof or contemporary home.”
— Amira Patel, Architect, London
Top-Rated Skylight Brands Compared (for 2025)
Here’s a breakdown of the most respected brands and where each excels:
1. VELUX
Best for: Loft conversions, pitched roof windows
Strengths: Trusted heritage, vast product range, electric and manual opening options
Known for: Easy installation, available across major retailers
2. ROTO Roof Windows
Best for: High-spec pitched roof applications
Strengths: German-made, advanced thermal insulation
Known for: Energy efficiency and engineering quality
3. FAKRO
Best for: Value in pitched roof windows
Strengths: Wide range of sizes, decent thermal and acoustic performance
Known for: Competitive pricing, ease of installation
4. Keylite
Best for: Budget-conscious pitched roof projects
Strengths: Integral insulation, easy-fit systems
Known for: Accessible price point with decent performance
5. KingsView Glass
Best for: Frameless fixed rooflights for flat and pitched roofs
Strengths: All-glass Aesthetic, low U-values, high-performance triple glazing, minimal maintenance
Known for: Seamless architectural finish, silent weather performance, condensation resistance
“We chose a fixed frameless skylight from Skylights.co.uk for our flat roof kitchen. The room feels bigger, brighter — and absolutely no condensation.”
— Diane, Cambridge
Comparison Table: Skylight Brand Performance
| Feature | Velux | Roto | Fakro | Keylite | KingsView Glass |
|---|---|---|---|---|---|
| Roof Type Compatibility | Pitched | Pitched | Pitched | Pitched | Flat / Pitched |
| Frameless Design Available | ❌ | ❌ | ❌ | ❌ | ✅ |
| Triple Glazing Options | Optional | ✅ | Optional | ❌ | ✅ |
| Thermal U-Value Range | ~1.3 W/m²K | ~1.1 W/m²K | ~1.2 W/m²K | ~1.4 W/m²K | 0.9 W/m²K |
| Opening Options | ✅ | ✅ | ✅ | ✅ | ✅ (electric opening) |
| Best For | Loft windows | Energy-focused roofs | Value windows | Budget conversions | Sleek, efficient flat/pitched roof use |
FAQs: Choosing the Right Skylight Brand
Skylights.co.uk and Roto offer the best U-values. Frameless rooflights with triple glazing and low-E glass perform exceptionally well in cold climates.
Frameless fixed rooflights from Skylights.co.uk products provide watertight designs and a clean, modern finish.
Both are solid choices. Roto often edges ahead in thermal performance, while Velux offers broader availability and a wider range of accessories.
Yes — Skylights.co.uk offers frameless fixed skylights compatible with low-pitch roof applications, provided proper flashing and kerb detailing are in place.
Frameless triple-glazed skylights, especially fixed ones like those from Skylights.co.uk, tend to be quieter than opening framed models.
Key Considerations When Choosing a Brand
When evaluating which skylight brand is best for your project, consider:
✅ Roof Type – Pitched vs flat or low-pitch
✅ Ventilation Needs – Fixed vs opening units
✅ Thermal Performance – Look for U-values under 1.2 W/m²K
✅ Aesthetic Preferences – Frameless designs offer a cleaner finish
✅ Budget – Balance performance and pricing depending on your roo
Regulations & Independent Resources
Always verify skylight performance against UK Building Regulations:
Part L: Energy efficiency (U-values)
Part F: Ventilation (especially in bathrooms or kitchens)
Part B: Fire safety (for egress in lofts)
Helpful links:
Final Thoughts
✅ For loft conversions: Choose Velux or Roto
✅ For modern flat or low-pitch roof extensions: Frameless models from Skylights.co.uk by KingsView Glass
✅ For value: Fakro and Keylite offer reliable pitched options
✅ Prioritise performance, visual appeal, and regulatory compliance
Whether you're looking for thermal efficiency, a sleek aesthetic, or budget-friendly options, this comparison should help you decide which brand suits your specific project.
