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Cantifix Of London Ltd After nearly 4 decades of innovation, Cantifix has been pioneering excellence and pushing boundaries with architectural glazing for homeowners, architects and contractors. Our dedication to achieving the 'impossible' is what sets us apart. That, and our steadfast commitment to new technologies, passion for excellence, and determination to innovate.

Our core values of quality, attention to detail and collaboration, mean Cantifix's customer base of architects, contractors and homeowners have returned to discover what we can do with architectural glass time and time again.
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Since 1986, our dedication to achieving the 'impossible' with glass solutions is what sets us apart. That, and our steadfast commitment to new technologies, passion for excellence, and determination to innovate. With core values of quality, attention to detail and collaboration, Cantifix's customer base of architects, contractors and homeowners have returned to discover what else we can do time and time again.
Cantifix offers the very best in glazing innovation in the market to architects, designers, and contractors. Find out how we can take your glazing requirements to the next level. Cantifix invented structural glass in 1991 and we've been refining our knowledge and techniques ever since. Working with professionals in the construction industry, our expertise, reliability, and working practices lead many of our collaborators to come back to Cantifix time and time again.
If you're a homeowner in need of glazing for your dream property transformation, you've come to the right place. For homes that not only look amazing, but also offer innovative health and wellbeing benefits, Cantifix offers a range of premium bespoke glazing solutions that are guaranteed to inspire, innovate, and indulge.
At Cantifix, we never sell out of the box. To produce exciting and economical results, every project is accompanied by a full consultation service, from survey to drawing, from our expert team. Because we believe that's the best way to realise your vision. Sky-Frame represents the ultimate in glazing innovation, design and technology.
Reviews (10)
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Jane Lewis
Aug 18, 2021
Excellent service of our Cantifix fixed door and sky frame. The team arrived as advised, and were meticulous in their service work.
Ankit Suri
May 12, 2021
Had quite a big job on a tight schedule and the team were extremely professional and understanding. Mike, the team manager on our job is an absolute pro, and understands the clients perspective as well as balancing the craziness of day-to-day operations! He was even kind enough to drop my house keys off at my office at the end of the work days. There is no comparison with other teams I have worked with in the past, Mike, Jyoti and the whole Cantifix team were brilliant!
Ellie Morris
Apr 22, 2021
We found the team at Cantifix to be professional, knowledgeable and were grateful for their flexibility in terms of understanding/adapting to late design changes - the customer service was great. They really took the time to explain stuff to us (two people with limited knowledge on glazing). The final product/work quality has been excellent and we wouldn't hesitate to recommend them to others.
L. C.
Jan 15, 2021
A building project can be stressful but dealing with Cantifix made the whole process much more enjoyable and the team were a pleasure to deal with. After the project completed Cantifix remained within our budget and there were no surprising extras.
Tom Charlton
Nov 08, 2020
The best in the business! Timely service, awesome designs, well made and great value. Although not a member of the sales team, the finance director was especially knowledgeable and helpful- who knew all the benefits of natural light? Thank you Cantifix!
Patrick Croskerry
Mar 20, 2020
The finished product is good, the process was unnecessarily painful. Cantifix initially over committed to a potential completion date, provided I paid the deposit on the 25k scheme ahead of Christmas, which I did. Nearly 3 weeks passed without any communication from Cantifix before I eventually escalated to find out that the project was going to be at least 6 weeks later than estimated.

This set the tone, emails unanswered for weeks, simple design details not provided. Several times in the process I had to escalate just to prompt a response. The fitters are pretty needy considering the comparative cost of the project, as previous reviews said, they don't provide lifting equipment, scaffold or even their own shovels (to clear the footings of gravel). Turned up the first time with no glass, second time over ran and left unfinished and the snagging round didn't turn up at all.

It was eventually finished and we are happy with the result but of all the trades involved in our extension these were by far the most expensive, most unreliable and least professional. I really regret using them.
Lilah Penhey
Mar 11, 2019
Beautiful products, knowledgable staff and the company had the patience of saints dealing with my complete lack of knowledge of structural glazing! Installed on time (only just!) and I love showing off my new doors to the neighbours - they're thinking of using Cantifix too
Asia Grzybowska
Nov 17, 2017
I very much enjoyed working with Cantifix. Very professional, resourceful and friendly. Always very happy to discuss different options and find the best solution. I worked with Cantifix on several projects in the last 6 years and the team was always very helpful and knowledgable.
David Joesph Lonergan
Jan 19, 2017
Rarely leave reviews but I simply cannot go on without thanking the entire Cantifix team for the transformative effect their project has had. From our initial meeting with Nicola and our design meetings with Gareth we were never left in any doubt of the quality of the service. Even the installation team (I think the gentleman was called Sergio) went above and beyond to leave us feeling reassured that everything was executed with care and craft.

Nothing seemed to stop them, they were first class, even when we asked them not to wear their boots indoors, which I feel was a bit harsh now looking back. Ultimately though the final finished product should be what they're judged against and I couldn't be happier, our house is transformed, as is our lives and we owe it to the vision and execution of a team at the top of their trade.
Luis Alves
Dec 27, 2016
Highly recommended. As Contractors we've worked with a number of architectural glass companies, but none has been as client focused as Cantifix. Knowledgable and helpful from start to finish. Great communication throughout and great product.