Double Glazing Birmingham

Mainstream Windows supply and install a stunning range of home improvement services from double glazed windows, flush casement windows, conservatories, orangeries, composite doors, garage doors, bifold doors and aluminium windows.

Contact us for a free no obligation quote today.

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Reference the code “complete22” to any member of staff for a genuine 5% off your quote.

A Complete Residential and Commercial UPVC Service

Complete Glazing Birmingham a sister company of Mainstream Windows are a reputable company based in Birmingham City Centre, We supply, install and construct exceptional quality double glazing products and conservatories. We offer a range of unique styles and designs including sash, bay, bow, sliding, tilt and turn and casement.

There are many different finishes and designs that allow you to retain traditional character or create a totally new look and we only use local suppliers and manufacturers. The wide variety of colors and styles that our products come in means that they can be adapted to any type of home with ease.

10 year uPVC Guarantee

20 year Aluminium Guarantee


Sash Windows

Bay Windows

Casement Windows

Sliding Windows

Tilt and Turn Windows

UPVC Windows

Double Glazed



Add Value to Your Property With a Conservatory

Mainstream Windows have been manufacturing, designing and installing conservatories for over 20 years, they are a cost effective way of adding additional living space all year around.

Mainstream Windows – Complete Glazing Birmingham

We offer a variety of double glazing services as well as conservatories, orangeries and composite doors.

Over 30 years experience our skilled team provide the highest quality installations around Birmingham and as a result we have a 100% customer satisfaction rating.

Established on January 17, 1993 we have become on the best double glazing companies in Birmingham. Part of our great success and many years in business is down to our skilled team of glazing installers.


Making The Right Choice

Mainstream Windows manufacture and install a wide range of top quality upvc and aluminium products. Our designs are made exclusively for British homes therefore our products are perfect for new windows and orangeries

We are also accredited installers of Origin, The Residence Collection, Korniche Roof Lanterns, Solidor, Ultion and Virtuso Doors.

As one of the leading double glazing manufacturers in birmingham we guarantee that we only use the highest quality materials to ensure security, warmth and appearances.

Working With Us

There is so much more to windows than just the way they look in your home. Our highly trained team are always available to demonstrate just how many different benefits come from double glazing windows and what would be beneficial for you. As well as the obvious benefits there are also hidden benefits that may not be visible, such as, the amount of noise reduction that they decrease.

They are not only safer when it comes to break ins, they are also safe when it comes to fires. If a fire were to break out in your home, the way some of our windows are manufactured, it would make it extremely easy for you to exit the building, making it a safer environment for the whole family.

We are more than happy to help you with any advice, concerns or to answer any questions you are unsure of. Whatever it is, give us a call today and let us help you!

“Fantastic company and had all the work done without any hiccups. I was recommended by friends to approach these guys and I was not disappointed at all. Thanks again !”

– Qas Anwar, Kings Norton

“Complete Glazing Birmingham installed our double glazed windows and bi-fold doors today. They have done a fantastic job and I’d like to take this opportunity to highly recommend them. Very easy to work with and I wouldn’t hesitate to use them again.”

– Ian Michaels, Highgate

“I highly recommend doing business with this company, I had some new sash windows installed today and I have to say I’m very impressed by how quick it actually took them to install them. P.S the windows look fantastic.”

– Joseph Martin, Henley-in-Arden

Fensa Registered Installers

Complete Glazing Birmingham are dedicated to installing window and conservatory products to the highest standard.

FENSA approved installer


Complete Glazing Birmingham
Unit 130, 180 Sherlock Street
Birmingham, B5 7EH
0121 405 1058
Mon to Fri 8:00am - 6:00pm
Weekends 8:00am - 4:00pm



About Us

Complete Glazing Birmingham is a sister company of Mainstream Windows a local double glazing, orangery and conservatory installation company based in Birmingham servicing Solihull, Knowle, Sutton Coldfield, Bromsgrove, Leamington Spa, Warwick and Evesham.



© 2019 Complete Glazing Birmingham. All Rights Reserved.