Taking Strata Window and Door Installation to a new level
Windowline are the trusted leaders in Window and Door replacement projects.
Over our 36 years in the industry we have successfully completed 8500+ strata building projects, delivering quality solutions and peace of mind for owners and strata managers.
Celebrating over 36 years in business
Windowline was started by Gary Stevenson in Sydney in 1989. At that time, he realised clients wanted the peace of mind that they were getting window and door solutions that were not only the best quality, but the best value for your money.
Windowline’s focus has always been to provide a service that exceeds our clients’ expectations along with a result you’ll be delighted with for many years to come. It’s a commitment that’s been at the heart of our business for more than 36 years.
The Windowline way
Strata specialists for over 36 years
Choice of products from all suppliers
Outstanding safety record
High quality products and workmanship
Personalised client service
Client testimonials
We partner with many top strata managers. Here is just some of the positive feedback we’ve received from our clients, who are more than happy to talk to you about the quality of our work.
Jonathan Chew
4 months ago
Good customer experience. They worked around what I needed and communication was great. Quality was also good too
Linley Ezzy
4 months ago
We used Windowline to replace windows in a 1960’s strata block of 15 units - the project completed in September 2024 an... read more
Markus Summerer
4 months ago
The installation of new double glazed windows and balcony doors on the entire block of units including our unit 8 was p... read more
Michael Reidy
3 years ago
Professional bunch of guys, worked hard to get all windows installed over a two week period. The apartment was clean af... read more
Rohan Gowland
3 years ago
The Windowline installers were polite, friendly and hassle free. Left our apartment clean afterwards and the new window... read more
Sevda Imre
3 years ago
Great work by the team at Windowline. Windows look better than ever in our complex.
Alex Righton
3 years ago
Quality finish applied and very friendly staff willing to take time in answering all questions we had.
Peter Chappell
4 years ago
Replaced original foyer doors of unit block. Completed in one day and the new doors work perfectly. Greatly enhanced se... read more
Andrew Jurd
4 years ago
It was a great experience with good communication all the way from Frist phone call to conclusion. Highly recommended.
Andrea Bustamante
5 years ago
The work was done in a timely manner and they cleaned up after themselves. The window frames and balcony door looks gre... read more
Kristie Beattie
5 years ago
We just replaced the doors on my mum’s apartment and they now look fantastic! The work was done efficiently and the com... read more
Belinda Kelly
5 years ago
Windowline provided a wonderful service and excellent end result. Couldn't be happier!!! We are extremely happy with th... read more
Bob B
5 years ago
David was a great salesman who led our owners through the options available and helped guide owners to a good solution.... read more
Curtis Alford
5 years ago
They kept me informed throughout the whole process, quick to follow up and did a great job! Would definitely use again
Steven Chung
5 years ago
They did an awesome job for my windows and security gills. Very happy with their quality!!! Very friendly staff.
Alan Emanuel
5 years ago
A company representative contact me to arrange to came and measure for the replacement window. He arrived on time and w... read more
Hannah Beesley
5 years ago
Really nice team and my windows have made a big difference in the apartment. I live on a busy road and the reduced nois... read more
Kate Louise Lewis
5 years ago
Windowline replaced the windows in my apartment, they were very fast and efficient but more importantly (as someone liv... read more
Shannon G
5 years ago
Lisa, Zach and the team at Windowline have just finished installing our new windows and we love them! Windowline are a ... read more
David Shirley
5 years ago
Absolute pleasure to deal with this company. From the service from David and Craig, No problems from start to finish. S... read more
Mapps A
5 years ago
Avoid.Came home expecting a complete job. Instead, our bedroom windows had been half installed leaving a gaping floor t... read more
AJ A
5 years ago
If you aren’t in a hurry, hire Windowline. I was just a renter when Windowline completed the strata building works, but... read more
Mark Khaikin
6 years ago
I am as the Chairperson of the Strata Committee would like to express our appreciation of the work that has been done b... read more
We work with all of Australia’s leading window and door manufacturers
