


We offer a wide range of glass units such as acoustic and energy efficient units
Experienced fitting team in the South Wales area offering free survey and quotation
We offer a wide range of patterned glass and decorative options

Treforest Glass
Treforest Glass has been manufacturing high quality sealed units to the industry for over 30 years. In that time we have gained significant experience in producing quality products as well as delivering great service.
With the wealth of knowledge and expertise within our business, we keep customers up to date with the very latest products. We are very proud of our exciting product range, quality products, and unrivaled customer support. With the very latest products. We produce bespoke units using cutting edge specifications ensuring that our customers have ‘options’ keeping them fully informed and supported throughout the whole process.

On Time Deliveries
Delivering goods on time in our vans and via courier, all over the UK

Good Value Products
Offering value for money products that best match the project at hand

Customer Service
Our team has a wealth of experience to help best support our customers

In House Toughening
We now toughen our own glass to ensure high quality standards
What Our Customers Say


"Used Treforest Glass for a large order of glass units in many different sizes. No issues at all with communication and the order was spot on with free delivery. Have used them again since and would recommend to anyone."


"I work for a company that had placed the order. The lady on reception is the reason for the review, she knew exactly where my pane was and even advised me how best to store it in the van. Pane was exact size with no visible defects."


"Excellent value for money. Fitted two large patio windows. The order was almost £300 cheaper than a quote from a well known UK wide replacement glass company. Will definitely use Treforest Glass again in the future."