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Maximise energy efficiency and secure your home with a weather-resistant, thermally efficient flat glass fixed rooflight for flat or low-pitched roofs

Made to measure flat glass rooflights

Take your extension or new build to the next level with our non-opening flat glass rooflights. Made in the UK and designed to fit your requirements – whether you need a square, rectangular or round option – they’re a thermally efficient way to transform your home and fill it with light, whatever the season.

Durable, weather-resistant and thermally efficient

Our rooflights are built to last and withstand every type of weather.

Combining either 38mm double-glazed units or 46mm triple-glazed units with an insulated timber upstand, they can achieve system U values as low as 0.56 W/m2k.

High-performance glass units coupled with our thermally broken aluminium frame provide a sleek design and superior air and water tightness.

Customise your fixed rooflight suit your needs

Our fixed rooflights can be supplied in any size up to 6000mm, with a wide range of RAL colour frames to choose from. Looking to add a ‘Wow’ factor to your home? Why not explore our circular rooflight?

The solar control or tinted glass options allow you to control your environment and prevent sunlight from bleaching your furniture.

Or go for our easy-clean option using Ritec Clear Shield; the invisible layer means water and dirt slide off the glass and more stubborn debris is easy to rinse off.

View our Fixed Product Range


Techniical Rooflight

Our trade rooflight system, featuring a toughened glass specification and thermally broken frame.

techniical fixed rooflight for trade
  • U Value acheives 1.2 W/m2K
  • Standard and Bespoke Sizes
  • Optional upstand
  • Toughened over Toughened

EOS-75 Fixed Rooflight

High performance rooflight system available with our insulated upstand or lid only.

EOS75 fixed roof light with 75mm upstand
  • U Value as low as 0.76 W/m2K
  • Optional Upstand
  • Laminate inner pane
  • Range also includes Modular and Walk-On

EOS-97 Fixed Rooflight

Our top of the range rooflight system featuring market leading thermal effeciency.

EOS97 fixed roof light with 97mm upstand cross section
  • U Value as low as 0.66 W/m2K
  • 97mm insulated upstand
  • Laminate security glass
  • Range includes Opening and Modular
Standard size fixed non opening rooflight | 150mm flat upstand | EOS Rooflights

Keeping your home safe and secure

We take your family’s safety as seriously as you do. Each rooflight includes a toughened top pane which is up to five times stronger than regular glass, and the inner pane is laminated as standard – meaning your rooflight will stay intact, even when broken.*

We also heat-soak test each and every unit during manufacturing to identify weaknesses and imperfections that are invisible to the naked eye,  greatly reducing the chance of Spontaneous breakage caused by nickel-sulfide.

*Techniical trade rooflight system does not include a laminate inner pane

Combine multiple  fixed rooflights for the “wow” factor

Combine different-sized fixed (and opening) rooflights to create a sleek, contemporary, modular rooflight system that makes a real statement.

Whether you include one or one hundred rooflights in your project, we can ensure maximum design flexibility and ultimate thermal performance.

modular rooflight with sleek glazing bar in open plan kitchen
2 rooflights in clean white living room with large sliding doors

Easy installation and guaranteed compliance

Walk on rooflight 2m x 1m with anti slip fritting on glass

We deliver our frames complete with the glass factory installed for easy installation.

Speed the process along by combining your rooflight with a custom-made, thermally efficient, Part L compliant upstand.

Standard and bespoke upstands are available for warm or cold roofs. They ensure a perfect fit first time and can be bought alongside your EOS Fixed Rooflight.

On flat roofs, our rooflights must be installed with a minimum five-degree fall

EOS rooflights are fully complaint

Are you looking for fixed rooflights for a commercial project?

We supply rooflights to custom specifications or standard sizes, as a one-off or in volume. Find out more about how we can support your commercial development.

Fixed triple glazed rooflights as low as 0.75 U value
ten year guarantee on all our rooflights.
Laminated safety glass is used on all our flat glass for extra protection and strength

Product overview

  • Double-glazed, laminated inner pane as a standard for exceptional safety & security.
  • Triple glazing is available as an upgrade
  • Can be used as part of a modular rooflight installation
  • Provides enhanced energy efficiency
  • Tinted, privacy and solar control glazing options
  • Ten-year warranty
  • Intruder-proof
  • Low system U Values, with options under 0.66 W/m2k
  • Designed for roofs between 0-15 degrees
  • Wide range of RAL colour frames to choose from
  • Optional upstand suitable for flat or sloped installations
  • Bespoke circular rooflights
  • Option to upgrade to Impact resistance (CWCT Class 1) to ensure the highest safety standards.
  • Manufactured in the UK

Standard or made to measure rooflights

Standard size fixed rooflights

We offer 20 standard sized fixed rooflights with cost savings compared to bespoke orders.

EOS97 Fixed 1000mm x 1000mm download technical drawings See Price
EOS97 Fixed 1000mm x 1500mm download technical drawings See Price
EOS97 Fixed 1000mm x 2000mm download technical drawings See Price
Walk on rooflight with flat insulated upstand included

Made-to-measure fixed rooflights

Can’t find a stock size that suits? Why not request a bespoke made to measure rooflight.

Large walk on rooflight split into 2 modular units with wall abutment

98% of clients recommend EOS Rooflights

Contact our team

If you have any questions, would like a bespoke price or want to enquire about our installation service. Give us a call or drop an email:

Call EOS Rooflights today 0208 462 3557

Eamil EOS Rooflights Today [email protected]

fixed rooflight in open living room with grey sofa
Vented rooflight to allow kitchen steam and vent large open plan room
roof lights in flat roof extension open plan kitchen
Bright white kitchen with 2 large roof lights

Our other products


Choose which flat glass rooflight are right for your project

We offer a wide range of rooflights designed for flat and low pitched roofs.


Which lantern roof light system works for new build | Our lantern rooflight selector will help

Our slim line lanterns are a modern twist on the traditional.


See our pitched skylight designed for flat tiled pitched roofs

The Frameless design coupled with exceptional thermal performance.

4.83 Average

315 Reviews


Easy to deal with, the pricing was great and delivery of 5 skylights was quick and stress free. One small problem was quickly resolved, great company.

Posted 4 months ago

Justin David Davis

Great product despatched and delivered very quickly

Posted 4 months ago


Great rooflights

Posted 4 months ago


Recently purchased an electric roof light from EOS. Very happy with the finished product, study and functions very well. It also looks very stylish. I received excellent customer service from EOS at all stages, they couldn't have been more helpful. Highly recommended.

Posted 5 months ago


Great Rooflights , simple to fit and swift delivery, many Thanks

Posted 6 months ago

Liam Grenander

Very professional customer support / sales team. Dealt with our roof light enquiry quickly and kept me updated on transit and delivery. Will be purchasing roof lights from them again when our projects require them.

Posted 6 months ago

Brad Lander - Bailand Construction Ltd

EOS Rooflights were knowledgable in their field, very helpful and the products (Roof Lantern and Flat glass roof lights) were of a good quality. The Roof lights were easily installed and full installation instructions were supplied for those who are installing for the first time. Would recommend.

Posted 6 months ago

A Memet

Very efficient with processing my order and delivery. I ordered a 3M roof lantern and a smaller flat roof light. Both were simple to install on my own upstands and they both look great. My only negative was the cost was a lot for what they are but I don’t think eos are excessively expensive, I think the roof lanterns themselves are what’s pricey. Anyhow I’m happy 😃

Posted 9 months ago


EOS were brilliant all through the consultation/sales process and delivery. The skylight looks great and works a treat with the electronic switch. Their after-care support was also very helpful and patient when we mistakenly thought we had an issue. Would highly recommend them.

Posted 10 months ago

Jonathan Tregidga Buyer at Legacy

As a company we have used EOS for some time. We use the EOS Rooflight Flexi Lid product a lot and also the EOS Smoke Vent Rooflight AOV on our projects. We cannot fault the company for the service, communication and value for money.

Posted 11 months ago


Excellent products, great customer service and post sales support! Unfortunately the courier damaged our roof lights slightly, however EOS went above and beyond to rectify! Special mention to Natalie O’Hara in ops, she was so helpful, prompt and a real pleasure to deal with! Highly recommend EOS!

Posted 11 months ago


Great delivery, great product. Really helpful customer service to organise the delivery of the rooflight

Posted 1 year ago


My Eos rooflight turned up on time as always, simple to install and looks great, throws so much light into what was a dark space, the quality of the rooflight is amazing, I will continue buying from Eos in the future,

Posted 1 year ago

Clive Woodford

The rooflights are a key feature externally of the property as they are prominent on the flat roof. They are angled by 15 degrees to allow the south facing sun to enter the house maximising natural light and also utilising any solar gain. The majority are triple glazed, with a couple of larger opening lights being double glazed. Internally they provide so much light and the light shafts are a characteristic of the internal architecture given that there are 15 within the house. The ordering and supply process was straightforward and installing them worked well with the pre-made upstands. All in all a very satisfactory and successful decision to select Eos rooflights.

Posted 1 year ago

Mr Jones

I was after rooflights with laminated glass and of good quality! I contacted EOS after seeing and viewing their products. They fitted the requirements. The service was first rate, nothing was a problem and the drawings to work before delivery excellent. Would highly recommend.

Posted 1 year ago

Matt Wilson

Great quality rooflight, delivery was as planned and on time. We will be using this company again.

Posted 1 year ago

Dave R

Professional and friendly throughout. Delivery was prompt and product is great.

Posted 1 year ago

Mr J Tregidga Buyer (Legacy Construction)

As always the service was excellent. Item was installed and gave us the finish that we expected and is a quality product to go with our quality development. EOS never seem to deliver on quality and in service

Posted 1 year ago

Chris Law

Most importantly, a brilliant product - we are absolutely delighted. On top of that, great customer service and excellent price.

Posted 1 year ago


Great communication and customer service. Lovely staff, all willing to help. Delivery was swift and hassle free. Awesome rooflight. Great feature to our ongoing project. If I needed another rooflight, I would definitely use EOS again.

Posted 1 year ago


Excellent customer service and advice and top quality product. Thank you

Posted 1 year ago