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Flat Roof Skylights

Find the perfect flat roof skylight for your flat roof!

Explore our flat roof skylights

A flat roof skylight is one of the most effective ways to brighten your home, adding natural daylight, improved ventilation, and modern architectural appeal. Our range features the best flat roof skylight options, crafted from high-quality materials for maximum energy efficiency and a sleek, modern look. Specifically designed for flat and low-pitch roofs, our skylights for flat roofs combine sleek, contemporary styling with excellent thermal efficiency, helping you upgrade any space with high-quality glazing that performs all year round.

Choose flat rooflights to enjoy versatile design options and enhance both residential and commercial spaces. Our product range includes flat roof lights, which are ideal for improving natural light and boosting energy efficiency. We also offer glass roof lights, providing both aesthetic appeal and functional benefits with a variety of glazing types to suit your needs.

  • Bespoke Sizes
  • Minimalistic design
  • Thermally efficient
  • Fully assembled
  • Fast delivery
  1. Skyseal | Flat Glass Fixed Skylights

    Our Skyseal Flat Glass exhibits a sleek and contemporary design with a slimline powder-coated frame and a flush-fitting glass panel

    • Strong Aluminium Frame
    • High Thermal Efficiency
    • Easy and Quick To Install
    • 10 Year Warranty
    From: £410.88
    Estimated Delivery From
    2 - 3 Working Days
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  2. Skyseal | Flat Glass Opening Skylight

    Our Skyseal Flat Glass Opening Rooflight offers a competitively priced glass roof light without compromising quality, while exhibiting a sleek and contemporary design.

    • Strong Aluminium Frame
    • High Thermal Efficiency
    • Manual and Powered Opening Options
    • 10 Year Warranty
    From: £605.14
    Estimated Delivery From
    5 - 6 Working Days
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  3. Skyseal | Halo Circular Flat Glass Rooflight

    Our Skyseal Halo Circular Roof light is a premium round roof light that boasts excellent thermal performance while giving your home a modern and refined look.

    • Modern and Stylish
    • Strong Aluminium Frame
    • Easy to Install
    • 10 Year Warranty
    From: £1,328.16
    Estimated Delivery From
    5 - 7 Working Days
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  4. Skyseal | Flat Glass Powered Access Hatch

    Our Skyseal Flat Glass Powered Access Hatch captures natural daylight whilst providing safe, easy access to roof spaces for maintenance or to open up roof spaces for terraces and roof gardens.

    • Easy Access To Roof
    • High Security and Safety
    • Easy and Quick To Install
    • 10 Year Warranty
    From: £4,489.20
    Estimated Delivery From
    7 - 10 Working Days
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  5. Skyseal | Link Glass Skylight

    Skyseal Glass Link modules are a system of premium quality factory assembled glass rooflight units that simply lap together to form continuous rooflights of unlimited length.

    • Strong Aluminium Frame
    • Multipane Modules
    • Easy to Install
    • 10 Year Warranty

Great product easy to fit and a lot better than other skylights that's just cheap glass. Fixing and fittings all came even the draft tape. One of the best skylights we’ve fitted and you can mechanically fix these windows which is a must

Trusted Customer

April 2024

4 Reasons to choose Skyseal

Friendly Expert Team

Expert advise for both trade & DIYers

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Delivered To Your Door

UK national delivery

100s of Happy Customers

Impressive customer rating of 4.8/5

Is a Flat Roof Skylight Right for Your Project?

Flat roof skylights are suitable for most flat or low-pitch roofs, from residential extensions to commercial buildings.

Choose a flat roof skylight if:

  • You want the maximum amount of natural light

  • Your home has limited wall space for windows

  • You are upgrading or extending a flat roof area

  • You want a modern, minimal appearance

Consider other options if:

  • You need a pitched design (a roof lantern may be better)

  • Your roof structure has height restrictions

While vertical windows are a traditional way to bring in daylight, flat roof skylights offer unique benefits such as increased overhead light, a seamless modern look, and the ability to brighten spaces where wall windows aren’t possible.

If you’re unsure which skylight solution fits your project, our expert team can offer guidance on sizes, specifications, glazing types, and installation requirements.

 

Key Benefits of Roof Lanterns

  • Maximise natural daylight, ideal for rooms with limited wall space.

  • Modern low-profile design that sits seamlessly on flat roofs.

  • Minimalist design with a sleek, unobtrusive appearance that enhances contemporary aesthetics and integrates seamlessly with modern architecture.

  • High-performance glazing for superior thermal insulation.

  • Optional opening models for improved ventilation and airflow.

  • Durable aluminium or uPVC frames built for UK weather conditions.

  • Available in standard and bespoke sizes to suit any project.

A flat roof skylight is a horizontal or slightly pitched glazed unit installed on a flat or low-sloped roof. It is engineered to capture as much daylight as possible, making it an excellent choice for kitchens, extensions, loft conversions, garden rooms, and internal spaces that normally receive little natural light.

Skylights for flat roofs use advanced glazing, insulated frames, and weather-resistant seals to deliver exceptional thermal performance and long-lasting durability. Whether you choose a fixed skylight for maximum light or an opening version for airflow, this solution enhances both comfort and style.

 

Available Options

Our range of flat roof skylights includes:

Fixed Flat Roof Skylights
Designed to maximise light while maintaining a clean, contemporary appearance.

Opening Flat Roof Skylights (Manual or Electric)
Ideal for kitchens, bathrooms, and warm rooms where ventilation is important.

Walk-On Skylights
Suitable for roof terraces, balconies, or areas with foot traffic.

Triple-Glazed Skylights for Flat Roofs
Enhanced thermal performance for energy-efficient homes.

Bespoke Flat Roof Skylights
Custom-built sizes and configurations for made-to-measure projects.

Each model offers outstanding clarity, strength, and weather resistance, making them suitable for residential and commercial installations.

Choose from our full range of flat roof skylight options to meet any project requirement.

 

How a Flat Roof Skylight Transforms Your Space

A flat roof skylight can completely change the feel of any room by introducing bright, natural light from above. Flat roof skylights allow natural sunlight to flood the space, which can improve mood and enhance the overall ambiance. With excellent light transmission properties, these skylights ensure a balance between abundant daylight and thermal efficiency, helping to maintain comfort while reducing glare and heat build-up. Compared to traditional windows, skylights provide a more even distribution of daylight, reducing shadows and creating a warm, inviting atmosphere.

The benefits include:

  • Rooms appear larger, brighter, and more open

  • Reduced reliance on artificial lighting

  • Enhanced wellbeing and comfort

  • Better temperature regulation when paired with high-quality glazing

  • Improved airflow with opening models

Flat roof skylights are especially effective in:

  • Kitchen extensions

  • Dining rooms

  • Hallways and corridors

  • Loft conversions

  • Home offices

  • Garden rooms and studios


Why Buy Flat Roof Skylights from Skyseal?

Skyseal is a trusted supplier of premium skylights for flat roofs across the UK, offering a combination of quality, performance, and outstanding customer service. Our rooflights are manufactured in the UK to the highest standards, ensuring durability, thermal efficiency, and full compliance with building regulations.

We offer:

  • Fast UK-wide delivery on all of our products.

  • Expert installation guidance for trade and DIY.

  • Slimline aluminium designs for maximum aesthetic impact.

  • Thermally efficient glazing options to reduce heat loss.

  • Excellent warranties for long-lasting confidence.

  • Competitive pricing with no compromise on quality.

  • Made-to-measure roof lantern options for bespoke projects.

Our products are built to last and engineered to perform, giving you a stylish, long-term solution for any flat roof area.

With hundreds of successful installations nationwide, we are a trusted provider for projects of all sizes.

Our entire product range has clear, simple brochures and technical sheets available. This gives complete peace of mind when it comes to buying the product itself, its installation and the finished product. The installation manuals available come complete with diagrams and clear instructions to get your roof light installed perfectly.

 

Flat Roof Window Installation

Installing flat roof windows is a straightforward process that can be tackled by a skilled DIY enthusiast or entrusted to a professional installer. The first step is to ensure your flat roof is structurally sound and capable of supporting the weight of your chosen roof window. Begin by clearing any debris and making sure the surface is level, as a solid foundation is essential for a successful installation.

A timber kerb is then constructed to provide a secure base for the flat glass rooflight. This kerb not only supports the window but also helps achieve the correct height and pitch for optimal water runoff. Once the kerb is in place, the frameless flat glass rooflight or your selected style of flat roof window is carefully positioned on top. The window is then fixed securely to the kerb using appropriate screws, and all edges are sealed with a high-quality sealant to prevent any risk of water ingress.

One of the main advantages of installing flat roof windows is the dramatic increase in natural light, which can transform any room by reducing the need for artificial lighting and helping to lower electricity bills. Frameless flat glass rooflights are especially popular for their sleek, modern appearance and the uninterrupted view of the sky they provide. These windows are designed with energy efficiency in mind, featuring low centre pane U-values to prevent heat loss and reduce overall energy consumption.

When selecting your flat roof window, consider the size, style, and type of glazing that best suits your space. Double glazed and triple glazed options are available, with triple glazing offering enhanced thermal efficiency and noise reduction. For added privacy without sacrificing natural daylight, privacy glass is an excellent choice. All our flat roof windows are engineered for low maintenance, with toughened glass and durable frames that withstand the elements and are easy to keep clean.

Flat roof windows are the perfect solution for flat roof extensions, helping to create a bright, airy living space and a greater sense of openness. With a wide selection of styles, sizes, and custom options, it’s easy to find the right fit for your project at competitive prices. Our energy efficient designs help keep your home warm in winter and cool in summer, reducing both heating and cooling costs thanks to excellent thermal performance and low U-values.

For a hassle-free installation and the highest quality results, it’s important to choose a reputable supplier with a proven track record. Our experienced team is here to guide you through every step, from selecting the ideal flat rooflight to expert installation advice. Contact our team today to discuss your requirements and discover the perfect solution to bring more natural light and style into your home.

Frequently Asked Questions

Do flat roof skylights require a minimum pitch?

Most flat roof skylights are designed with a slight built-in pitch to ensure water runoff. Your installer will confirm the correct angle for your roof.

Are skylights for flat roofs energy-efficient?

 Yes. Our skylights use insulated glazing and thermally broken frames to reduce heat loss and prevent overheating.

Can a flat roof skylight be installed on a warm or cold roof?

 Absolutely. Our products are suitable for both warm roof and cold roof structures.

Do I need planning permission?

 Flat roof skylights are usually permitted for development, but restrictions may apply in conservation areas or listed buildings.

What glazing options are available?

Choose from double glazing, triple glazing, laminated glass, solar control coatings, and self-cleaning glass.

What is centre pane U-value and why does it matter?

The centre pane U-value measures the thermal insulation performance of the glass at the centre of the skylight pane. A lower centre pane U-value means better insulation, helping to reduce heat loss and improve energy efficiency. Different glazing options, such as double or triple glazing, achieve specific centre pane U-values to meet building regulations and enhance comfort.

Order Today

Enhance your home with a premium flat roof skylight designed for long-lasting performance and style. Contact our friendly team today for expert advice or request a free quotation on  024 76 707700 or message us via our contact page.

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