Transforming Spaces, Enhancing Lives
Welsh Window Systems is a small, family-run business based in Sully, CF64 5SE, that has been operating since 1987. We take great pride in the high-quality work of replacement double glazed PVCu windows, doors, conservatories, Fascia, Soffits, and glass-related products that we offer. Our specialty is in repairing all types of windows, doors, and conservatories, including PVCu, Aluminium, and Timber. We work in both residential and commercial settings, and our business thrives on the recommendations and repeat custom of our satisfied clients.
Our design consultants are available to help you choose the perfect windows for your home, whether you're looking to match existing fixtures or opt for something completely unique. We offer a wide range of styles for both traditional and new build properties, so you're sure to find something that suits your needs and enhances the look of your home.
Commercial Windows and Door Repairs
At our larger premises in Windmill Parc, Hayes Road, Cadoxton, Barry, we offer a range of services with all of the relevant health and safety accreditation's required for most commercial and domestic widow and door projects. We have contracts with many local clients, including educational institutions, council buildings, and Cardiff Wales International Airport, where our door installations facilitate the movement of over two million people each year. We believe that the quality of our installations, respect for customers' property, and after-sales service are second to none.
Window and Door Installation
We supply and fit PVCu windows in Cardiff, Barry, the Vale of Glamorgan, and throughout South Wales. Since 2006, we have been a Garrison main dealer and now supply and fit the MUL-T-LOCK as standard on all our new installations. We offer a 10-year warranty on all PVCu windows and doors, which is backed by a Lloyds-backed guarantee, free of charge.
Customer Service
At Welsh Window Systems, we are committed to providing fast and friendly service with no fuss, no mess, and a high level of professionalism. We are proud to be a Which? Trusted Trader, and we strive to exceed our customers' expectations in every aspect of our business.
Testimonials
Don't just take our word for it. Here's what some of our satisfied customers have to say about their experience with Welsh Window Systems:
"I called Welsh Window Systems as I was desperately in need of a window pane being removed prior to getting my new sofa delivered. I spoke to both Gaynor and Kelly on the phone who were so very friendly and helpful. Kelly even offered her personal telephone number to get her husband out of bed early in case DFS arrived early in the morning." - Customer in Vale of Glamorgan
"I wanted to replace 7 double glazed units in three of my windows. Welsh Windows System was measuring my daughter's bathroom window, in her house around the corner, for an emergency repair. I ask Nathan if he could call in when he could fit me in for a quotation. He kindly called in to see me the same day as soon as he had finished at my daughter's house." - Lyndon in Vale
Excellent Service and Quality
Welsh Window Systems received high praise from several customers who were extremely satisfied with the service and quality of their products. The company's attention to detail, excellent fitting, and clean-up were highlighted as exceptional. Customers were impressed with the quality of the doors and windows, describing them as "the best" they had ever seen. The team, including Nathan, Andrew, Jake, and Gaynor, were commended for their efficiency, professionalism, and care.
Positive Aspects
- Excellent service and quality of products
- Attention to detail and exceptional fitting
- Clean-up and no mess left behind
- Professional and efficient team
- Wide selection of choices for doors and windows
Disappointing Experiences
On the other hand, some customers had disappointing experiences with Welsh Window Systems. Some issues mentioned included inadequate quality, incorrect products, and poor communication. One customer was promised triple glazing but received double glazing, and another was left waiting without a phone call or update.
Negative Aspects
- Inadequate quality of products
- Incorrect products delivered
- Poor communication and lack of updates
- Failure to show up for appointments

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