OpenSquare Heritage Aluminium doors
OpenSquare Structural glass
Bi-Fold Doors

About Us

Who are OpenSquare Glazing?

OpenSquare Glazing are bespoke glazing, aluminium window, door and glazed roof specialists based in North West London. We specialise in the design and installation of architectural glass products,as well as slim aluminium and PVCu windows and doors, working with architects, developers, homeowners and other contractors.

Our team have been in the high end glazing industry all their working lives. As a result, our years of operations as a company is actually complimented by decades of collective experience. We can be relied upon for your project.

We offer an outstanding and highly recommended customer service, which has seen us establish long term relationships with clients in London and the home counties. You can discover the benefits of choosing OpenSquare Glazing by getting in Contact

OpenSquare Heritage Aluminium doors

Our Product Range

Here at OpenSquare Glazing, we offer a full suite of aluminium windows and doors to our clients. We work with a range of supply chains, cherry picking the absolute best systems on the market. We can supply and install the following:

Image of Roof Lanterns

Areas we Cover

We are based in North West London, but cover a very vast area. However, a large amount of the work we undertake is in the capital and within the M25 circular, as well as the surrounding home counties.

With our coverage area not being specifically defined, we welcome any and all new build developers in the region to contact us. We can let you know whether we can accommodate your need for our aluminium windows and doors.

OpenSquare Structural glass

Send over your enquiry!

As a prospective client, you can send over your project to request a quote for aluminium windows and doors, as well as bespoke glazing projects. We’ll then get in touch to discuss your requirements further and to provide costs. If you have any questions, you can contact us.

Our Reviews

Take a look through some of our most recent reviews here. We have happy customers in various locations, all happy with the service we provide, our high quality products and high standards of workmanship,

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I found Mark to be incredibly professional and knowledgeable. I was struggling with the intricacies of various roof lantern options and Mark was able to guide me through the process and then install and complete the job in great time with the minimum of fuss and for a very competitive rate.

Peter Jones - Buckinghamshire - 20.08.2021

I was very lucky to find Mark. He is exceptionally reliable and trustworthy and has years of valuable experience. He’s not just a salesman, he understands what’s the right product for each customer and truly wants them to be happy.

Victoria Watson - London - 21/02/21

Mark and his team installed aluminium bi-folding doors, windows and a roof lantern. Not only were they professional from the start, their lead time and prices were fantastic! Can’t recommend OpenSquare Glazing enough.

Nicola Knowlson - Southampton - 03/11/20

Mark designed and installed a bespoke structural glazed walkway, rooflights, and sliding pocket doors for my recent extension. He was very competitively price, and the quality of the product has been excellent. I would recommend his services.

Simon Lawn - Hertfordshire - 19.08.2023

I was recommended to Mark by Ultraframe for the installation of my sliding backdoor and the above triangular panel. Mark managed the communication with Ultraframe well -in order to have the desired final product. He was available and checkedpersonally the quality of the work done. The final product is excellent, at an honest price and enhanced my back extension. I would recommend his service and his efficient management.

Vera D'Urso - SW London - 20.04.2023

We first got recommended Mark and OpenSquare when looking for a bespoke piece of glazing for our full home renovation. Mark was fantastic from the very first call. He was hugely knowledgeable and was able to answer all our questions throughout the process. Their price was competitive too. Ryan and the installation guys were prompt, efficient and highly professional when on site and installed the item to the very highest standard. The item looks better than we had ever hoped. Following this install, OpenSquare are now undertaking further aspects of our glazing, including 20mm sliding doors, aluminium windows, large curtain window with switchable glazing and also an Oriel Box window at the rear of our house. We are really excited to see the rest of the project take shape and will post some pictures of the finished house once done!

Luke Elias - Hertfordshire - 19.01.2023

Prompt, efficient and friendly service.

Adrian Arnold Smith - Buckinghamshire - 22.09.2021

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