Welcome to Glasshouse Ltd.

Unlock your home's true potential with our industry-leading range of aluminium and timber products, designed to improve your home or extension.

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Premium Home Improvement Solutions

We offer homeowners throughout South Wales the opportunity to enhance their property with windows, doors and conservatory roofs that combine premium materials with contemporary manufacturing techniques to deliver an unrivalled standard of aesthetic, performance, design, thermal efficiency, durability and security.

We specialise in market-leading aluminium and timber products, bringing a harmony between traditional charm and the cutting-edge options currently available in the industry. We also offer luxury composite doors and high performance lantern roofs, offering a bespoke home improvement option that will allow you to make a house a home.

Unrivalled Standards

All of our products are produced by craftsman and are subject to rigorous quality checks to ensure standards are upheld.

Competitive Prices

We offer bespoke, tailored quotes to enable you to get a premium addition to your home in a way that suits you.

Expert Workman

We understand the importance of your home, which is why we always work to a professional standard.

Approved Installers

We are proud to be certified installers of a wide range of market-leading products, including Reynaers aluminium windows and doors, Timber Windows UK windows and doors, Bison sliding sash windows, Evolution entrance and French doors, and Pirnar and Solidor composite doors.

This means that we only deal with the very best that the industry has to offer, allowing you to enhance your home with a new addition that stands in line with the demands of the modern age. With the quality on offer, it’s never been easier to enjoy a property that remains warm, comfortable and safe throughout the year.

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Timber Sliding Sash Windows

Double Glazing Cardiff

Our sliding sash windows emulate the traditional window design in an effective way. We offer a 10 year guarantee to ensure you’re always satisfied with your windows.

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Aluminium Windows Cardiff

Double Glazing Cardiff

We offer modern aluminium windows that will transform your home. Our aluminium windows are guaranteed to have an outstanding level of thermal efficiency.

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New Website Launch

Double Glazing Cardiff

This year we are proud to announce the launch of our brand new website. The website has a bespoke design to make it as easy as possible for our customers to view our products.

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Recent Projects

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