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Get in touch today

No pressure here. We believe in transparent, written quotes, giving you the space to make the right decision in your own time. And with bespoke designs tailored just for you, nothing is off the shelf.

Experience the ZEN difference. Get in touch with us today and book your free no-obligation home visit.



Here at ZEN, we have a great reputation for installing high-quality double-glazed doors across Bristol and the surrounding area. 

BiFold Doors

Aluminium bi-fold double glazed doors provide an ideal replacement for existing Patio or French doors; versatile and aesthetically pleasing they flood any room with natural light.

Patio Doors

Our in-line patio doors are available in two, three and four-leaf options combining safety with security. Glazed internally, and with four-point locking as standard. Fully welded and reinforced.

French Doors

Our range of double glazed french doors are available in a variety of styles and configurations, with low threshold door options, open in/open out and side light combinations.

uPVC Doors

Our PVCU doors come in a wide range of finishes and styles, from simpler glazed designs to more ornate styles. You’ll be sure to find the perfect PVCU door for either a contemporary or traditional home.

Composite Doors

We offer a range of beautiful, strong, and authentic-looking composite doors. All feature Yale 10-point door locking systems and reinforced hinges. Find the perfect blend of aesthetics and durability.

We found the complete service from initial enquiry and quotation through to fitting and billing to be efficient and thorough The fitters themselves were very pleasant, tidy and a pleasure to have in our home. Would thoroughly recommend Zen Windows

Sally Eccles - 1st February 2024

The whole experience with Zen windows has been fantastic start to finish. All my questions before the job were answered quickly and comprehensively, the fitters were friendly, tidy and did a wonderful job. I wouldn't hesitate to recommend them to anyone!!

Sam Ferrins - 17th January 2024

We were very impressed with Zen Windows throughout the process. We approached them to come and quote for us after reading the many positive reviews online. The initial salesman was very good. He built a rapport and listened to what we wanted.

Sarah Bird - 29th January 2024


Our Doors

At ZEN, we pride ourselves on being at the forefront of innovation, hardware design, and product development, whether PVCU or composite. Available in a range of styles, our doors include advanced design features as standard. Discover doors that redefine excellence.

Why choose ZEN?

We have a track record for installing high-quality doors across Bristol and the surrounding area. Read our glowing reviews to see what our customers have to say.


Our expert team live right here in Bristol and will install the perfect door for your home.  We are CERTASS registered and will install your door to the highest building standards. 


Experience the ZEN difference. Get in touch with us today and book your free no-obligation home visit. 


  • The cost of a double-glazed front door can vary depending on several factors, including the material, design, size, and additional features. On average, prices typically range from £700 to £2500 or more. For a precise quote tailored to your specific requirements, we recommend contacting us for a free quote.

  • Yes, it is possible to double-glaze a front door. Our team can assess your front door and discuss the options available to enhance its energy-saving performance. Composite doors are also extremely popular nowadays for front doors, and these also provide exceptional security and insulation properties.

  • UPVC doors are made from unplasticized polyvinyl chloride, offering durability and affordability. Composite doors, on the other hand, are constructed from a combination of materials, including uPVC, timber, and insulating foam, providing superior strength, security, and thermal efficiency compared to UPVC doors.

  • Composite doors are known for their exceptional durability and longevity. With proper maintenance and care, a high-quality composite door can last upwards of 25 years or more, making it a long-term investment in the security and aesthetics of your home.

  • Yes, composite doors are designed to enhance the thermal efficiency of your home. With their insulating properties and tight seals, composite doors help prevent heat loss and drafts, keeping your home warmer and more comfortable throughout the year.

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