Transforming your home, one window at a time.
At Principality Windows, we are a FENSA registered double glazing company with over 30 years of experience in providing top-notch windows, doors, and conservatories to the people of South Wales and surrounding areas. Our extensive knowledge and expertise in the industry enable us to offer a wide range of products and services that cater to all your home improvement needs.
Our commitment to excellence is reflected in our premium quality, locally manufactured, high-security A-Rated uPVC windows that are designed to suit all property styles. We understand the importance of energy efficiency, which is why all our windows are Energy Rated, ensuring that your home remains warm and cozy while reducing your energy bills. Moreover, all our installations are covered by a 10-year guarantee, giving you peace of mind and confidence in our workmanship.
In addition to our windows, we also offer a vast range of doors, including composite doors, patio doors, French doors, and bi-fold doors. You can even design your own GRP composite door on our website, exploring different styles, colours, and options to create a bespoke door that is unique to your home. Our doors are not only aesthetically pleasing but also robust, secure, and energy-efficient, ensuring that your home remains warm and secure.
We also provide replacement glass units, which is a cost-effective solution if you are experiencing issues with misted units, cracked glass, or condensation. Our team of experts will replace your glass units with new ones, ensuring that your windows are restored to their former glory.
Our Services
At Principality Windows, we offer a comprehensive range of services, including window replacement, door installation, and glazing and repairs. We take pride in our ability to cherry-pick the best quality products available in the industry, ensuring that our clients receive the best possible solutions at competitive prices. Our team of professionals is dedicated to providing a first-class service, from the initial meeting to the final installation, ensuring that your home improvement project runs smoothly and efficiently.
Our Commitment
Our commitment to excellence is reflected in our 10-year insurance-backed guarantee, which covers all our supply and fit jobs, including deposit protection. We are proud to be associated with the HomePro Group, a leading provider of deposit protection and insurance-backed guarantee products in the home improvement sector.
Positive Experiences
The majority of users have had excellent experiences with Principality Windows. Many reviewers have praised the professionalism, punctuality, and quality of work carried out by the company. Several reviewers have mentioned the friendly and helpful nature of Kevin, the owner, who has provided them with clear advice and quotes. The installation team, consisting of Gabriel, Ben, Jamie, and Merlin, have also been commended for their excellent workmanship, attention to detail, and cleanliness.
Negative Experiences
One reviewer has raised a complaint about poor follow-up care after the work was completed. They had asked for different door hardware to be fitted, but this was never done despite repeated requests.

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