A door can make an entrance to a home, it can compliment the look and style of your property. At Jon Thomas Windows, we supply the highest standard and quality doors on the market today. All come with a 10-year warrantee to give you peace of mind. We offer a comprehensive selection of styles across our three distinct ranges of composite front doors. Choose from the Classic Collection, Urban Collection or Country Collection to bring a personal touch to your home. Our doors are able to offer everything from country charm to the cutting-edge flair of the modern-day. For more information on finding the perfect door for your property, contact Jon Thomas Windows today, we’re always happy to help and advise on the best solution to suit you.

Where Quality Costs Less!

Jon Thomas Windows are your local specialists when it comes to providing quality Windows, Doors & Conservatories throughout South Wales, we cover, RCT, Bridgend, Cardiff, Newport, Swansea. Our products are:

Energy efficient products

The highest security standards on the market

Available in a wide range of colour options & finishes

All come with a 10 year guarantee


Enviroglaze are installers of quality Endurance Doors, which are renowned for their strength and security, without compromising on style. At 48mm thick and with cross-bonded laminations, an Endurance door delivers unrivaled strength and dimensional stability. It’s the first choice in delivering the highest level of security, providing home owners with peace of mind. Made up of 17 laminations, Endurance Doors are almost 10% thicker than most composite doors, guaranteeing the safety and security of your family and your home.


Choosing the door for your property sets the inspiration and creativity to your home. As they say ‘first impressions count, so whether you are looking for an entrance door, patio door or multi-fold door, REHAU window and door systems have the answer the for you, with a range of solutions to help you protect your home, as well as creating space and functionality. Fully compatible with all window styles a uPVC door manufactured from REHAU profile guarantees a high quality, consistent finish throughout your home.


An increasingly popular alternative to more traditional French doors and sliding doors, the multi-fold door system can offer so much more – improving open plan living and bringing a modern contemporary feel to almost any home. Enviroglaze Bi-fold Doors are a sophisticated door system that meets the demands of almost any property, enabling you to choose the number of panes to suit your needs. Dependent upon the size of the opening you can have up to a maximum number of 7 panes, with the master door being located on the right or left side providing you with complete flexibility.


Patio Doors a charming addition to any home or conservatory. The extensive opening allows unrestricted access to your home as well as maximum ventilation and practical entry to your garden or patio. Offering all the benefits of modern uPVC including noise reduction, low maintenance, safety, security and energy efficiency, our patio doors are available in a range of colours and styles, For more infomation on our patio doors, contact Jon Thomas Windows today.



At Jon Thomas Windows, were thrilled to able to bring you our Composite Door offer. Our Endurance Door offer includes a premium 48mm thick solid composite door, along with the option of a UPVC back door.


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Get A Free Quote For Your New Windows, Doors or Conservatory

Contact one of our team to arrange your free, no-obligation quotation today, or for some friendly advice!