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About Us

ZEN is a different kind of double glazing and window replacement company; we appreciate that our customers want to deal with a window and conservatory company that they can trust, a company that offers superb quality products with minimum fuss.

We're all about exceeding your expectations

Customer satisfaction is what makes us tick and drives us to ensure you're in safe hands every step of the way.  We strive for 100% satisfaction, always aiming to over-deliver on our promises. We’ve been in business for 10 years and have a great reputation that’s built on building great relationships with our customers. Our small, dedicated team of installers ensures consistent, high standards that have earned us repeat business and glowing reviews.


Read more about our story.

Local Expertise

Our team is all about local expertise. We're Bristol-based, and everyone on our team lives right here in the city. That means a personalised service and accountability you can rely on.

 

Our products offer the greatest durability and longevity, with lengthy insurance backed guarantees as standard. We also aim to keep our prices as competitive and as fair as possible. At ZEN, we pride ourselves on supplying and installing superb quality windows, doors and conservatories. Furthermore, all of our windows are A-rated as standard.

A No-Pressure Approach

We believe in creating a relaxed, pressure-free experience for all our customers. Our team is here to guide you offering expert advice and answering your questions without pushing you towards an immediate decision. In addition, we carry a vast array of product samples so we are able to show you our wide range of product options in the comfort of your own home. This means you get to feel and experience the quality of our products first-hand to help you make an informed decision.
 

We want you to feel comfortable and confident in your choices, ensuring that any commitment made is done so at your pace, not ours. We always provide a detailed written quotation allowing you to make your own decision in your own time.

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Our CERTASS Registration

As a well-established Bristol double-glazing and window company, we pride ourselves on professionalism and reliability. We are CERTASS registered and approved which means that ZEN, and our installers have been assessed and approved by CERTASS to install replacement windows and doors in accordance with the CERTASS competent person scheme rules.  This ensures that our installations are safe, energy-efficient, and always comply with building regulations. 

 

We are qualified and approved to self-certify our installations via CERTASS so that you will always receive a certificate of compliance with building regulations following the completion of your installation. This certificate you just need to keep hold of and if ever you decide to sell your property (at any time in the future following your installation) then this certificate proves that your installation was professionally installed and complies with building regs. 

 

Don’t worry if you lose your certificate as you are also able to request a copy in the future. In addition, all of our projects are digitally logged and recorded too. 

 

Furthermore, CERTASS offers automatic protection to all consumers using a CERTASS certified company for their replacement window and door installations through its guarantee scheme. This scheme ensures that the guarantee we issue is insurance-backed, offering you significant additional peace of mind.

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.

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Our front door was fitted with no fuss and earlier than expected.
Our old door had large gaping holes around the sides and wasn't secure.
The new door was expertly fitted by Zen, solutions were found to make sure we get the best insulation. It looks beautiful. 

Tim B - 15th July 2024

Amazing. The service we have had from start to finish has been amazing, the whole team are lovely, communicative, respectful and friendly.

Emily & Ant - 1st June 2024

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

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

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