Trusted uPVC Windows and Conservatories Specialists in Swansea

As a family-run business with over a decade of experience, Thermaglaze has built a reputation as a leading supplier and installer of uPVC windows, doors, and conservatories across Swansea, Llanelli, Neath, and South Wales.

Innovative Home Improvement Solutions

At Thermaglaze, we combine innovation and design to deliver bespoke home improvement systems tailored to your needs. With an extensive range of colours and styles, our products are designed with your home at the heart, ensuring seamless integration and lasting beauty.

Explore Our Products and Services

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    uPVC Windows

    Modern, energy-efficient windows designed to reduce carbon emissions. Manufactured using the Kommerling C70 Gold Chamfered system, our uPVC windows are available in a range of colours and styles, with double or triple glazing options for enhanced performance.

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    Glazed Doors & Composite

    Enhance your indoor-outdoor living with French, sliding patio, or bi-folding doors, bringing natural light and a seamless home-to-garden connection. Alternatively, choose from over 70 composite door designs, combining security, durability, and style to elevate your home's curb appeal.

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    Conservatories

    Brighten and expand your living space with a custom conservatory. These glass-panelled additions offer a cost-effective way to create a family-friendly area filled with natural light while enhancing your home’s value.

Why Choose Thermaglaze

Thermaglaze's friendly and approachable staff are here to guide you through the styles and options available.  Whether its for one window or a complete project, we promise to provide the same excellent service, competitive prices and products to be proud of for years to come.

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    Bespoke Design, Made To Measure

    All of our products are made to measure and tailored to YOU and YOUR home.

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    Extensive Knowledge

    All of our qualified fitters have many years in the industry and will leave you with a product you will be proud of for years to come.

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    Honest Pricing, Customer Focused

    We know things are difficult in these trying times, that's why at Thermaglaze we try to keep our prices affordable.

Your Peace of Mind, Guaranteed

At Thermaglaze, we prioritise your peace of mind with an industry-leading Insured Window Guarantee - IWG.

This insurance-backed guarantee protects your deposit before installation and your purchase afterwards, ensuring your home improvement journey is secure from start to finish.

Thermaglaze Insured Window Guarantee

Request A Quote Today

Reach Us

  • Email :

    info@thermaglazewales.co.uk

  • Phone :

    01792 277688

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