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    Welcome to Sunsquare
    High specification flat roof skylights

    BSI Kitemarked Range

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    Completely Bespoke

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    Laminated Inner Panes

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    20 Year Guarantee

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    Outstanding Thermal Performance

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    15 Years as the Market Leaders

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    The only manufacturer
    of BSI kitemarked skylights

    BSI kitemarked Skylights

    We have set the benchmark for the performance and safety of flat roof windows by becoming the
    first and only manufacturer to achieve a British Standards Institution (BSI) Kitemark - a globally renowned stamp of quality.
    Our products are stronger, safer and more durable as they all come with laminated panes as standard.

    Browse our full range of architecturally beautiful rooflights, designed to maximise the amount of light filtering into any property. With around 165 different skylight combinations to choose from, Sunsquare works with self-builders, architects and high-end residential, commercial and public firms to transform living and working areas.

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    Room without skylight Room with skylight

    Bringing light into
    any environment

    Sunsquare has been innovating the UK skylight industry since 2004, pioneering bespoke rooflight designs. We use the highest possible specifications to bring an abundance of natural daylight into homes and workplaces – and we do it with the utmost style and sophistication. We’ve developed everything from traditional flat rooflights and electronically opening models through to walk-on skylights, which are ideal for internal spaces and roof terraces.

    Pioneering the
    skylight industry for 15 years

    As the UK's only rooflight manufacturer to secure a BSI Kitemark for its entire product range, Sunsquare was nominated in the 'Innovation - Manufacturer of the Year' category at the prestigious London Construction Awards. This particular category acknowledges cutting-edge designers and manufacturers who have played an influential role in the delivery of exceptional quality, innovation and service throughout the London construction industry.

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    Complete protection and peace of mind, with warranties up to 35 years.

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    35 year warranty on all Sunsquare upstands

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    25 year warranty on insulating glass seals

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    10 year warranty on all Sunsquare rooflights

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    2 year warranty on all electrical components

    Learn more about Sunsquare warranty plans
    Outstanding Thermal Performance

    Outstanding
    Thermal Performance

    As pioneers in the UK rooflight industry, Sunsquare products are designed and manufactured to provide outstanding thermal performance alongside their stunning aesthetic qualities. Our roof windows are made from our extruded aluminium profile which is thermally broken using multiple polyamide insulating sections. It’s therefore easy to understand why our entire BSI Kitemarked product range surpasses Building Regulations with ease, keeping homes and workplaces at comfortable temperatures, day and night.

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    Laminated Inner Panes

    Laminated
    Inner Panes

    Sunsquare rooflights are regularly specified due to their outstanding levels of performance and safety that comfortably surpass Building Regulations. With laminated inner panes as standard, our technical partners know that in the unlikely event of product damage, the broken glass will be fully contained within the laminate, protecting those enjoying abundant natural light below.

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    Take a look at some of
    our recent projects

    We’re here to support homeowners, architects, builders, surveyors and specifiers from the planning stage to completion.

    Trusted by
    Architects and Contractors

    accreditations