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Always trade prices, never retail markup.
Free shipping on our HorizonLite range.
Confidence in our skylights, year after year.
Adding product to your cart
Always trade prices, never retail markup.
Free shipping on our HorizonLite range.
Confidence in our skylights, year after year.
Introducing the Cambridge HorizonLite Fixed Frameless Roof Window — the ultimate solution for homeowners who crave more light, more beauty, and a seamless connection to the outdoors. Designed for those who value clean architecture and long-lasting performance, HorizonLite transforms any room into a serene, light-filled sanctuary.
Whether you're building new or refreshing an existing space, the Cambridge HorizonLite Fixed Frameless Roof Window is the key to brighter rooms, lower energy costs, and timeless style. Don’t just renovate — elevate your home.
👉 Shop now and experience natural light like never before.
Glazing type: Triple glazed
Glass brand: Saint-Gobain
Top glass pane: 6mm BS EN 12150 thermally toughened glass
Spacer type: 16mm Thermix® TX Pro®
Middle glass pane: 4mm BS EN 12150 thermally toughened glass
Spacer type: 16mm Thermix® TX Pro®
Air gap: 90% argon filled
Bottom glass pane: 44.2 low-e BS EN 14449 laminate glass
UV protected: Yes
G-value (%): 54
U-value (Ug) (W/m²K): 0.8
Acoustics reduction (dB): -42
| Quoted Internal Size (mm) | External Size (mm) | Weight (kg) |
|---|---|---|
| 300x300 | 500x500 | 8 |
| 400x400 | 600x600 | 12 |
| 500x500 | 700x700 | 14 |
| 600x600 | 800x800 | 28 |
| 600x900 | 800x1100 | 32 |
| 600x1200 | 800x1400 | 49 |
| 600x1500 | 800x1700 | 50 |
| 600x1800 | 800x2000 | 58 |
| 600x2000 | 800x2200 | 65 |
| 600x2500 | 800x2700 | 92 |
| 800x800 | 1000x1000 | 42 |
| 800x1000 | 1000x1200 | 46 |
| 800x1200 | 1000x1400 | 59 |
| 800x1500 | 1000x1700 | 72 |
| 800x1800 | 1000x2000 | 85 |
| 800x2000 | 1000x2200 | 91 |
| 800x2500 | 1000x2700 | 106 |
| 1000x1000 | 1200x1200 | 61 |
| 1000x1200 | 1200x1400 | 71 |
| 1000x1500 | 1200x1700 | 85 |
| 1000x2000 | 1200x2200 | 99 |
| 1000x2500 | 1200x2700 | 111 |
| 1000x3000 | 1200x3200 | 133 |
| 1200x1200 | 1400x1400 | 89 |
| 1200x1800 | 1400x2000 | 92 |
| 1200x2000 | 1400x2200 | 118 |
| 1200x2500 | 1400x2700 | 131 |
| 1500x1500 | 1700x1700 | 137 |
| 1500x2000 | 1700x2200 | 152 |
| 1500x2500 | 1700x2700 | 189 |
| 1500x3000 | 1700x3200 | 223 |
Upgrade your space with ease using our Cambridge HorizonLite skylights, designed for quick installation in six easy steps — no drilling or loose parts required. Enhance your purchase with an optional fitting kit, packed with all the sealants and tape you'll need.
Check out our installation guide for tips, or get in touch for expert advice.
At Cambridge Skylights, we quote our skylights based on their internal sizes - which should match the roof opening size. However, please note that our skylights have a total width and length of 200mm wider than the internal size, with an extra 100mm on each side; this dimension is the external measurement of the skylight. Ensure that the external size of our skylights is wider than your roof opening to guarantee a proper fit.
The frameless design of our skylights allows them to be installed in either portrait or landscape orientation, giving you more flexibility in your installation options.
Q: What makes the Cambridge HorizonLite different from other skylights?
A: The Cambridge HorizonLite Fixed Roof Window offers a frameless design that provides uninterrupted panoramic views and a modern aesthetic. Its superior German engineering, including the Thermix® TX Pro® Warm Edge spacer, achieves excellent energy efficiency with a notable U-Value of 0.8 W/m2K.
Q: How does the frameless design of the HorizonLite enhance my home?
A: The innovative frameless design of the HorizonLite brings in natural light and offers expansive views of the sky, creating a sense of openness and connection to the outdoors without the interruption of visible frames.
Q: Is the HorizonLite designed to be leak-proof?
A: Yes, the HorizonLite is engineered with precision for a leak-proof design, providing both durability and peace of mind.
Q: What are the maintenance requirements for the HorizonLite?
A: The HorizonLite is constructed to withstand harsh weather conditions and is designed to be low maintenance, saving time and effort in its upkeep.
Q: Can the HorizonLite help me save on energy bills?
A: Absolutely. The HorizonLite excels in thermal insulation, reducing heat loss significantly. This not only helps in lowering energy bills but also makes it an eco-friendly addition to any home.
Q: Is there a warranty for the HorizonLite Fixed Roof Window?
A: Yes, we provide a 25-year unit seal warranty for the HorizonLite. Please contact us directly for the specific details and duration of the warranty coverage.
Q: How much does shipping cost?
A: Shipping costs to England, Wales, and Scotland vary and will be displayed at checkout based on your postcode.
Q: Is there an express shipping option?
A: Yes, express services are available on certain products and details will be provided at checkout.
Q: Is there free delivery available?
A: Free standard delivery is offered for orders exceeding £2000, applicable only to mainland England.
Q: What if my postcode isn't displayed at checkout?
A: If your postcode isn't displayed, you can contact us for a custom shipping quote.
Q: Can I collect my order in person?
A: Collections are welcome but need to be pre-scheduled by calling us beforehand.
Q: What is the return policy?
A: We offer a 14-day return policy from the day you receive your item. Products must be unused, unopened, and in the original packaging, with proof of purchase included.
Q: Can I cancel my order?
A: You can cancel your order within 14 days of placement, provided it has not been dispatched, for a full refund.
Q: Are there any fees for returns?
A: Delivery fees are non-refundable, and a handling fee of 10% is applied to each return.
Q: What if my item arrives damaged?
A: If an item arrives damaged, contact us with your order number and photographic evidence within 30 days of delivery to initiate a warranty claim.
Introducing the Cambridge HorizonLite Fixed Frameless Roof Window — the ultimate solution for homeowners who crave more light, more beauty, and a seamless connection to the outdoors. Designed for those who value clean architecture and long-lasting performance, HorizonLite transforms any room into a serene, light-filled sanctuary.
Whether you're building new or refreshing an existing space, the Cambridge HorizonLite Fixed Frameless Roof Window is the key to brighter rooms, lower energy costs, and timeless style. Don’t just renovate — elevate your home.
👉 Shop now and experience natural light like never before.
Glazing type: Triple glazed
Glass brand: Saint-Gobain
Top glass pane: 6mm BS EN 12150 thermally toughened glass
Spacer type: 16mm Thermix® TX Pro®
Middle glass pane: 4mm BS EN 12150 thermally toughened glass
Spacer type: 16mm Thermix® TX Pro®
Air gap: 90% argon filled
Bottom glass pane: 44.2 low-e BS EN 14449 laminate glass
UV protected: Yes
G-value (%): 54
U-value (Ug) (W/m²K): 0.8
Acoustics reduction (dB): -42
| Quoted Internal Size (mm) | External Size (mm) | Weight (kg) |
|---|---|---|
| 300x300 | 500x500 | 8 |
| 400x400 | 600x600 | 12 |
| 500x500 | 700x700 | 14 |
| 600x600 | 800x800 | 28 |
| 600x900 | 800x1100 | 32 |
| 600x1200 | 800x1400 | 49 |
| 600x1500 | 800x1700 | 50 |
| 600x1800 | 800x2000 | 58 |
| 600x2000 | 800x2200 | 65 |
| 600x2500 | 800x2700 | 92 |
| 800x800 | 1000x1000 | 42 |
| 800x1000 | 1000x1200 | 46 |
| 800x1200 | 1000x1400 | 59 |
| 800x1500 | 1000x1700 | 72 |
| 800x1800 | 1000x2000 | 85 |
| 800x2000 | 1000x2200 | 91 |
| 800x2500 | 1000x2700 | 106 |
| 1000x1000 | 1200x1200 | 61 |
| 1000x1200 | 1200x1400 | 71 |
| 1000x1500 | 1200x1700 | 85 |
| 1000x2000 | 1200x2200 | 99 |
| 1000x2500 | 1200x2700 | 111 |
| 1000x3000 | 1200x3200 | 133 |
| 1200x1200 | 1400x1400 | 89 |
| 1200x1800 | 1400x2000 | 92 |
| 1200x2000 | 1400x2200 | 118 |
| 1200x2500 | 1400x2700 | 131 |
| 1500x1500 | 1700x1700 | 137 |
| 1500x2000 | 1700x2200 | 152 |
| 1500x2500 | 1700x2700 | 189 |
| 1500x3000 | 1700x3200 | 223 |
Upgrade your space with ease using our Cambridge HorizonLite skylights, designed for quick installation in six easy steps — no drilling or loose parts required. Enhance your purchase with an optional fitting kit, packed with all the sealants and tape you'll need.
Check out our installation guide for tips, or get in touch for expert advice.
At Cambridge Skylights, we quote our skylights based on their internal sizes - which should match the roof opening size. However, please note that our skylights have a total width and length of 200mm wider than the internal size, with an extra 100mm on each side; this dimension is the external measurement of the skylight. Ensure that the external size of our skylights is wider than your roof opening to guarantee a proper fit.
The frameless design of our skylights allows them to be installed in either portrait or landscape orientation, giving you more flexibility in your installation options.
Q: What makes the Cambridge HorizonLite different from other skylights?
A: The Cambridge HorizonLite Fixed Roof Window offers a frameless design that provides uninterrupted panoramic views and a modern aesthetic. Its superior German engineering, including the Thermix® TX Pro® Warm Edge spacer, achieves excellent energy efficiency with a notable U-Value of 0.8 W/m2K.
Q: How does the frameless design of the HorizonLite enhance my home?
A: The innovative frameless design of the HorizonLite brings in natural light and offers expansive views of the sky, creating a sense of openness and connection to the outdoors without the interruption of visible frames.
Q: Is the HorizonLite designed to be leak-proof?
A: Yes, the HorizonLite is engineered with precision for a leak-proof design, providing both durability and peace of mind.
Q: What are the maintenance requirements for the HorizonLite?
A: The HorizonLite is constructed to withstand harsh weather conditions and is designed to be low maintenance, saving time and effort in its upkeep.
Q: Can the HorizonLite help me save on energy bills?
A: Absolutely. The HorizonLite excels in thermal insulation, reducing heat loss significantly. This not only helps in lowering energy bills but also makes it an eco-friendly addition to any home.
Q: Is there a warranty for the HorizonLite Fixed Roof Window?
A: Yes, we provide a 25-year unit seal warranty for the HorizonLite. Please contact us directly for the specific details and duration of the warranty coverage.
Q: How much does shipping cost?
A: Shipping costs to England, Wales, and Scotland vary and will be displayed at checkout based on your postcode.
Q: Is there an express shipping option?
A: Yes, express services are available on certain products and details will be provided at checkout.
Q: Is there free delivery available?
A: Free standard delivery is offered for orders exceeding £2000, applicable only to mainland England.
Q: What if my postcode isn't displayed at checkout?
A: If your postcode isn't displayed, you can contact us for a custom shipping quote.
Q: Can I collect my order in person?
A: Collections are welcome but need to be pre-scheduled by calling us beforehand.
Q: What is the return policy?
A: We offer a 14-day return policy from the day you receive your item. Products must be unused, unopened, and in the original packaging, with proof of purchase included.
Q: Can I cancel my order?
A: You can cancel your order within 14 days of placement, provided it has not been dispatched, for a full refund.
Q: Are there any fees for returns?
A: Delivery fees are non-refundable, and a handling fee of 10% is applied to each return.
Q: What if my item arrives damaged?
A: If an item arrives damaged, contact us with your order number and photographic evidence within 30 days of delivery to initiate a warranty claim.
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