Trusted Professionals

As a Family-Run Business, Our Reputation Remains the Cornerstone of the Company We Keep.

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Quality Double Glazing in South Wales

With more than 40 years experience, Glasshouse Ltd draws upon a wealth of knowledge in the industry to deliver a home improvement service that is built upon respect, professionalism, efficiency, and promptness to ensure you can enhance your home in a way that is sure to satisfy.

As a family run business, we have built a reputation over the years due to our ability to deliver premium products and expert installation, every time. You won’t have to worry about an inferior service or poor performing products at any point.

Industry Leading Accreditations

Certass
Industry Warranty Association
Reynaers Hi-Finity Trained
Iso

Expert Installation

Our certified and accredited workforce will ensure any product you choose is fitted to the highest standards.

Customer Support

We'll work with you to ensure you get a new addition to your home that suits both your property and your tastes.

Prompt Service

We always strive to offer minimal disruption to your daily life, installing our products in a prompt and efficient way

Our Professional Partners

Reynaers at Home
Genesis Collection Windows and Doors
Evolution Windows and Doors
Roseview Sliding Sash Windows
Atlas Aluminium Lantern Roofs
AluK Aluminium Windows & Doors
AluK Aluminium Windows & Doors

Latest News

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Atlas Installer Of The Month

Categories:
Double Glazing Cardiff

We’re proud to have been awarded Atlas Installer of the month. We chose Atlas as our lantern roof partner because of the sheer quality of their systems, which feature fewer bars than those provided by…

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Glasshouse Awarded ISO 9001

Categories:
Double Glazing Cardiff

Glasshouse recently achieved ISO 9001 status. This means that we meet a consistently high standard for our customers. It also signifies that we are a well-managed business that follows a set of specific principles to…

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Spitfire Doors at Grand Designs Live

Categories:
Double Glazing Cardiff

Grand Designs Live returns to Birmingham’s NEC from 10 -14 October. The show offers visitors expert advice from industry leaders as well as new product launches. Specialist exhibitors assemble in six project zones to create…

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Timber Sliding Sash Windows

Categories:
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

Categories:
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

Categories:
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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