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

timber doors cardiff swansea

Our Professional Partners

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

Customer Reviews

Latest News

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5 Benefits of Aluminium Windows

Categories:
Double Glazing Cardiff

Aluminium windows have gained popularity in recent years due to their numerous advantages. In this article, we will explore five key benefits of aluminium windows and why they are an excellent choice for homeowners.  …

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The Advantages of Composite Doors for Your Home

Categories:
Double Glazing Cardiff

Composite doors have gained immense popularity in recent years, and for good reason. They offer a multitude of benefits that make them an excellent choice for homeowners seeking to enhance the appearance, security, and energy…

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Why Choose Aluminium Windows for Your Home or Commercial Property?

Categories:
Double Glazing Cardiff

If you live within Cardiff, Swansea, or the surrounding areas and have a more modern property, then consider enhancing your home with our high-performance aluminium windows and doors.    Modern aluminium double glazing has come…

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What Is Energy Efficiency & How To Improve It In Your Home?

Categories:
Double Glazing Cardiff

These days, with the rising cost of energy bills and living in general, many have started discussing the concept of energy efficiency and how it can improve a home and even reduce energy costs. But…

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5 Benefits of Modern Roof Lanterns

Categories:
Double Glazing Cardiff

At Glass House, we install a wide range of double glazed products, including double glazed roof lanterns, windows, doors, and conservatories. There are many benefits to upgrading your home with our modern double glazing, and…

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How Beneficial Is Double Glazing

Categories:
Double Glazing Cardiff

Our windows and doors are double glazed as standard, helping to improve the looks and performance of any home. If your current installations are double glazed, this could be hugely impacting the way your home…

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How To Get A Property Ready For Winter

Categories:
Double Glazing Cardiff

Many of us spend more time in our properties during the colder winter months, but with the cost of energy on the rise how do you get your home ready for winter? We have put…

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Transform A Home’s Aesthetic With Timber Windows

Categories:
Double Glazing Cardiff

Welcome to Glasshouse Ltd, where we believe that the key to transforming your home lies in the remarkable beauty and craftsmanship of timber windows. With our wide range of exquisite timber window options, you can…

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What Are The Benefits Of Timber Windows?

Categories:
Double Glazing Cardiff

  In the modern world, windows are manufactured, supplied, and installed with a massive variety of materials. While each one has its advantages and disadvantages, non are as tried and true as classic timber windows. …

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Spitfire Doors Now in Showroom

Categories:
Double Glazing Cardiff

Glasshouse Ltd now have Spitfire doors in our showroom! These stunning and luxurious doors will transform the look of your home with ease. Not only this, but they boast incredible performance that is sure to…

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Atlas Installation Of The Year Finalists

Categories:
Double Glazing Cardiff

We here at Glasshouse Ltd are very excited to announce that we are one of the finalists for the Atlas Installation of the Year competition. We managed to impress the judges with our outstanding design…

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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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