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Double Glazed Skylights

Our double glazed skylights are manufactured in Britain, inspected before dispatch and backed by a 10-year guarantee as standard. Two panes of toughened glass with an argon-filled cavity reduce heat loss through the roof and limit external noise, delivering reliable thermal performance, clear natural light and lasting weather resistance for flat roof openings across a wide range of property types. Available in standard sizes and manufactured to custom dimensions, suiting extensions, loft conversions and new builds alike.

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Framed Fixed Flat Rooflight 1000×1000mm (internal size)

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Framed Fixed Flat Rooflight 1000×1200mm (internal size)

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Framed Fixed Flat Rooflight 1000×1500mm (internal size)

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Framed Fixed Flat Rooflight 1000×2500mm (internal size)

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Framed Fixed Flat Rooflight 600×1200mm (internal size)

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Framed Fixed Flat Rooflight 600×1800mm (internal size)

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Framed Fixed Flat Rooflight 600×900mm (internal size)

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Frameless Fixed Flat Rooflight 1000×1000mm (internal size)

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Frameless Fixed Flat Rooflight 500×500mm (internal size)

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Frameless Fixed Flat Rooflight 600×1200mm (internal size)

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Frameless Fixed Flat Rooflight 600×1800mm (internal size)

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Frameless Fixed Flat Rooflight 600×900mm (internal size)

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Framed Fixed Flat Rooflight Custom Size (internal size)

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Our double glazed skylights are manufactured in Britain, inspected before dispatch and backed by a 10-year guarantee as standard. Two panes of toughened glass with an argon-filled cavity reduce heat loss through the roof and limit external noise, delivering reliable thermal performance, clear natural light and lasting weather resistance for flat roof openings across a wide range of property types. Available in standard sizes and manufactured to custom dimensions, suiting extensions, loft conversions and new builds alike.

Double Glazed Skylights That Keep Your Home Comfortable All Year

Two panes of toughened glass with an argon-filled cavity reduce heat transfer through the roof in both directions. In winter, less warmth escapes through the opening. In summer, the rate at which outdoor heat enters the room below is reduced. A more stable indoor temperature is maintained throughout the year without placing additional demand on your heating system. For extensions, kitchens and living spaces where comfort matters day to day, our double glazed skylights deliver a consistently reliable specification across a broad range of residential projects.

Double Glazed Rooflights Tested to BS6375 and Built for British Weather

Our double glazed skylights are constructed with thermally broken aluminium frames and toughened safety glass, tested to BS6375 weather standards. The thermally broken frame reduces heat transfer between the interior and exterior, contributing directly to the thermal performance of the unit. Every rooflight in our range holds its specification through wind, rain and temperature variation, year after year.

The Glazing Specification That Suits Most Residential Roof Openings

Double glazing remains the most widely specified glazing for residential rooflight installations. For the majority of flat roof openings in standard heated rooms, two panes of toughened glass with an argon-filled cavity deliver the thermal and acoustic performance required. Where maximum insulation is the priority, our triple glazed skylights offer an enhanced specification. For most extensions, kitchens and living rooms, double glazing provides a strong balance of performance and value.

Not sure which glazing is right for your opening?

The right specification depends on your room type, roof construction and insulation priorities. Speak to a specialist or request a free quote today.

Standard Sizes and Custom Double Glazed Skylights Delivered Across the UK

We hold a full range of standard double glazed skylight sizes and manufacture to your exact opening for non-standard roof dimensions. Standard stock is dispatched within 3 to 4 working days. Custom double glazed skylights are delivered anywhere across the UK within 7 to 10 working days. For openings where a raised glazing structure better suits the space, our roof lanterns collection provides a strong architectural alternative.

Want a Custom Sized Flat Roof Window?

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Specialist Guidance on Double Glazed Skylights at Every Stage

Our team works across flat roof extensions, loft conversions, new builds and conservatory upgrades. Whether your opening requires a standard size or a specific custom dimension, we provide clear, practical guidance on glazing selection, sizing and specification from the outset. Every order is managed with the same attention to detail from initial enquiry through to dispatch.

Get the right double glazed skylight for your project

Browse our range or speak to a member of the team for direct advice matched to your opening and requirements.

Award Winning Double Glazed Skylights, Certified to British Standards

Every double glazed skylight we manufacture carries full UKCA certification and is inspected before dispatch, arriving on site complete, accurately sized and ready to install. We took home the Top Product Award in both 2024 and 2025 and back every unit with a 10-year guarantee as standard.

Double Glazed Rooflights Available in Every Frame Colour and Finish

Anthracite Grey, Pure White and Jet Black powder-coated aluminium frames are available as standard across our double glazed range. The slim profile keeps the visual focus on the glass and integrates cleanly within the roofline, retaining its appearance year after year without fading or requiring repainting. Where solar heat gain is a consideration, solar control glazing is available across the range. For an uninterrupted glass finish with no visible frame, our frameless rooflights are the right choice. For a clean, defined border, our framed rooflights deliver a precise finish across the full opening.

Frequently Asked Questions

A double glazed skylight is a flat roof rooflight constructed with two toughened glass panes and an argon-filled cavity. The cavity reduces heat transfer through the roof in both directions and provides a noticeable reduction in external noise, delivering reliable all-weather thermal performance for any flat roof opening.

Yes. Our double glazed skylights suit the majority of residential flat roof openings, from kitchen extensions and loft conversions through to living rooms and hallways. For rooms that lose heat quickly or are positioned beneath roofs with significant solar exposure, triple glazing is the more appropriate specification.

Triple glazing adds a third pane of glass and a second argon-filled cavity, achieving a lower U-value and greater acoustic performance than a double glazed equivalent. For most standard heated rooms, double glazing delivers the right balance of thermal performance and value. Our team can advise on which specification suits your opening before any order is placed.

Standard sizes are dispatched within 3 to 4 working days. Custom double glazed skylights are manufactured and delivered anywhere across the UK within 7 to 10 working days.

Most double glazed skylight installations are covered under permitted development rights and do not require a planning application, provided the installation remains within the existing roofline and meets the relevant height restrictions. Owners of listed buildings or properties within a conservation area should seek written confirmation from their local planning authority before any works commence.