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Taking Strata Window and Door Installation to a new level
Featured projects
We’ve completed over 8,500 window and door replacement jobs.
Here are some of our recent projects.
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
23:32 03 Nov 24
Good customer experience. They worked around what I needed and communication was great. Quality was also good too
Linley Ezzy
23:26 03 Nov 24
We used Windowline to replace windows in a 1960’s strata block of 15 units - the project completed in September 2024 and we are very happy with the result. I was particularly impressed and grateful for Harley’s great communication in the initial phases (at the time of inspecting for the quote and in the lead up and throughout the course of our EGM). He came along to our EGM and dealt with questions from the owners very clearly and responded quickly to further questions. The installation process was pretty seamless with only a couple of minor hiccups. The workmanship is great with my only complaint being that the outside of the windows could have been left cleaner (some were quite smudged)
I would highly recommend Windowline for strata window projects
I would highly recommend Windowline for strata window projects
Shaun Randle
05:31 30 Oct 24
Efficient service and friendly. Windows look great too.
Unit 11 Belmont Road
Unit 11 Belmont Road
Markus Summerer
05:23 30 Oct 24
The installation of new double glazed windows and balcony doors on the entire block of units including our unit 8 was professionally done and the communication throughout the process was very good. This was a pretty complex job and we can’t recommend Windowline highly enough!
Michael Reidy
08:34 08 Feb 22
Professional bunch of guys, worked hard to get all windows installed over a two week period. The apartment was clean after they left, really happy with the workmanship and quality of the windows.
Michael u12
Michael u12
Rohan Gowland
04:09 30 Nov 21
The Windowline installers were polite, friendly and hassle free. Left our apartment clean afterwards and the new windows look great 👍. Areas for improvement: A couple of the windows need the springs adjusted, as they fall open if not locked. Windowline advised how to adjust it, but the screws in question are not easily accessible, so we still have this issue. The other thing that could be improved is that, due to government regulations, the bottom window has to be blocked from opening too wide, which means you have to open the top window if you want your windows fully open for ventilation. But the top windows are not designed this way. If you want to open the top window, you have to grab it at the very top, which usually requires a stool or step ladder! Same for closing! This issue is due to government regulations to prevent children falling out the bottom window, so it’s not Windowline’s fault. However, it does affect the practical function of the windows and therefore could benefit from a design rethink. Overall, very happy with the fresh new look of the new windows!
— R. Gowland, Unit 13.
— R. Gowland, Unit 13.
Sevda Imre
06:21 05 Oct 21
Great work by the team at Windowline. Windows look better than ever in our complex.
Alex Righton
06:15 05 Oct 21
Quality finish applied and very friendly staff willing to take time in answering all questions we had.
Peter Chappell
00:26 17 Sep 21
Replaced original foyer doors of unit block. Completed in one day and the new doors work perfectly. Greatly enhanced security.
Andrew Jurd
04:05 21 Jun 21
It was a great experience with good communication all the way from Frist phone call to conclusion. Highly recommended.
Andrea Bustamante
04:52 27 May 20
The work was done in a timely manner and they cleaned up after themselves. The window frames and balcony door looks great.
Kristie Beattie
06:07 19 May 20
We just replaced the doors on my mum’s apartment and they now look fantastic! The work was done efficiently and the communication between mum and the team at window line was respectful, helpful and responsive.
Belinda Kelly
00:43 19 May 20
Windowline provided a wonderful service and excellent end result. Couldn't be happier!!! We are extremely happy with the work done and it was great to see 2 installers really enjoying their work. The admin crew have all been very helpful and quick to reply to any questions. Overall excellent service will definitely recommend this company.????????
Bob B
07:19 07 May 20
David was a great salesman who led our owners through the options available and helped guide owners to a good solution.
A couple of early hiccups during installation were resolved and with 1 of 96 windows needing additional attention we are close to a good result.
A couple of early hiccups during installation were resolved and with 1 of 96 windows needing additional attention we are close to a good result.
Curtis Alford
04:33 06 Mar 20
They kept me informed throughout the whole process, quick to follow up and did a great job! Would definitely use again
Steven Chung
03:58 06 Mar 20
They did an awesome job for my windows and security gills. Very happy with their quality!!! Very friendly staff.
Alan Emanuel
03:06 06 Mar 20
A company representative contact me to arrange to came and measure for the replacement window. He arrived on time and was thorough in measuring up.
Two weeks later they came and installed without fuss or mess I would certainly recommend this Company.
Two weeks later they came and installed without fuss or mess I would certainly recommend this Company.
Hannah Beesley
22:39 10 Dec 19
Really nice team and my windows have made a big difference in the apartment. I live on a busy road and the reduced noise is amazing!
Kate Louise Lewis
19:38 15 Nov 19
Windowline replaced the windows in my apartment, they were very fast and efficient but more importantly (as someone living alone) they moved furniture away from the windows and then cleaned and returned the furniture to its original position while I was away at work. I was able to come home to my apartment after a long day with very little inconvenience which I greatly appreciated. This made the process easy and they were very friendly and accommodating. Would highly recommend the guys from windowline!
Shannon G
21:34 13 Nov 19
Lisa, Zach and the team at Windowline have just finished installing our new windows and we love them!
Windowline are a professional, courteous and efficient team who made the whole process or replacing our windows seem easy and effortless.
Thanks Lisa and Zach
Windowline are a professional, courteous and efficient team who made the whole process or replacing our windows seem easy and effortless.
Thanks Lisa and Zach
David Shirley
10:37 06 Nov 19
Absolute pleasure to deal with this company. From the service from David and Craig, No problems from start to finish. Special mention to the installers Zac and his team, Lisa and Daniel. After 20 years in the property game and using 100s of contractors. These guys were 100% percent professional, flexible and a joy to work with. The finished product was better than expectations.
Mapps A
07:31 01 Oct 19
Avoid.
Came home expecting a complete job. Instead, our bedroom windows had been half installed leaving a gaping floor to ceiling hole in the middle of winter.
Tools were left everywhere, including a stanley knife on my bed. Window frames had also been left in our lounge room for several days.
Came home a seperate day to find that our front and side doors had both been left open whilst the team had gone off to lunch. So anyone could have accessed our apartment.
After weeks, there had been no clean-up to the common areas, with shards of glass and wood splinters being left across all walkways and garden beds.
Came home expecting a complete job. Instead, our bedroom windows had been half installed leaving a gaping floor to ceiling hole in the middle of winter.
Tools were left everywhere, including a stanley knife on my bed. Window frames had also been left in our lounge room for several days.
Came home a seperate day to find that our front and side doors had both been left open whilst the team had gone off to lunch. So anyone could have accessed our apartment.
After weeks, there had been no clean-up to the common areas, with shards of glass and wood splinters being left across all walkways and garden beds.
AJ A
03:18 01 Oct 19
If you aren’t in a hurry, hire Windowline.
I was just a renter when Windowline completed the strata building works, but suffered the consequences of it all. Overnight we were left with gaping, floor to ceiling holes in our walls when they ‘ran out of time’ to finish the window installation. Who doesn’t love an icy cold breeze flowing through their entire apartment in the middle of winter. We also appreciated that on multiple occasions our apartment was left with doors wide open with no tradesmen in it while they went to lunch. Its fun waiting an hour for them to return so you can continue on with your day to day business and avoid leaving the apartment open and unattended again. What an excellent feeling to come home to an unlocked apartment with no one in it and not have to find your keys to open the door. I’m glad no one decided to pop buy and steal our possessions. They made themselves at home and decided to use our apartment to store the window frames in for a fortnight. Great feature of our living and dining area, and was fun to navigate around. The best part was how much time we had to take off work to be there for them as they were always late and seemed to take multiple days to install each window. I take that back, the best part was how they ruined the timber flooring and left dirty hand prints on ever inch of surface.
I was just a renter when Windowline completed the strata building works, but suffered the consequences of it all. Overnight we were left with gaping, floor to ceiling holes in our walls when they ‘ran out of time’ to finish the window installation. Who doesn’t love an icy cold breeze flowing through their entire apartment in the middle of winter. We also appreciated that on multiple occasions our apartment was left with doors wide open with no tradesmen in it while they went to lunch. Its fun waiting an hour for them to return so you can continue on with your day to day business and avoid leaving the apartment open and unattended again. What an excellent feeling to come home to an unlocked apartment with no one in it and not have to find your keys to open the door. I’m glad no one decided to pop buy and steal our possessions. They made themselves at home and decided to use our apartment to store the window frames in for a fortnight. Great feature of our living and dining area, and was fun to navigate around. The best part was how much time we had to take off work to be there for them as they were always late and seemed to take multiple days to install each window. I take that back, the best part was how they ruined the timber flooring and left dirty hand prints on ever inch of surface.
Mark Khaikin
02:24 25 Sep 19
I am as the Chairperson of the Strata Committee would like to express our appreciation of the work that has been done by David and Pedro at our 4 blocks 27 unit property in Vaucluse.
So far we did not receive any unpleasant surprises or responses from the residents. Thank you for your good work.
So far we did not receive any unpleasant surprises or responses from the residents. Thank you for your good work.
We work with all of Australia’s leading window and door manufacturers
