Flush Sash Windows

We install Sliding Sash windows in Glasgow, Edinburgh, Ayrshire, Stirling, Lothian and surrounding areas.

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Timeless & Classic

Known for their elegant appearance sash windows will preserve the historic charm of period properties, making them ideal for conservation areas. These stunning windows are available with internal or external Georgian bars, not only do they retain the beauty of Georgian, Victorian or Edwardian homes, they add a touch of authentic charm to modern properties.

As well as stylish, sliding sash windows are incredibly practical. Choose to have either the top or bottom section  open, or both at once, smoothly opening with ease.

Rockdoor Grey


Our stunning flush sash windows made with uPVC allow a traditional look with the modern finish.  Choose from our vast choices of high quality colour options and bring a personal touch to your windows. No matter the style of your home, we’re sure to have something to suit.

As a result of their classic look, uPVC casement windows can be tailored to suit a wide range of property styles. It doesn’t matter if your property is new or old, these casement windows will suit your home perfectly.

All of our casement windows ‘A’-rated as standard. Save on your heating and energy bills when you choose Millar for your windows installation!

All of our casement windows offer an impressive degree of security for your home. At Millar, we priorities our customers’ safety and therefore make sure our products ensure the greatest degree of safety. For extra peace of mind, we offer a 10 year guarantee on all of our installations.

As a modern alternative to their timber frames, our casement windows require very little maintenance in order to look and perform their best. You can be assured that they won’t rot, warp, crack or bow out of shape over time. You’ll never have to worry about repainting or varnishing your windows.

Millar, pride ourselves on offering a standard of installation that ticks all  the boxes. Our installers always work to the highest degree of professionalism, reliability, promptness and respect for your home, treating them as if they were their own . We also work hard to complete out installations as quickly as possible but be assured we never sacrifice the quality.

Recent Works

Take a look at some of our recent projects below. Don’t forget to get in touch with us to find out how we can help with your project.


Read What our Customers Say

uPVC Windows

“After having a horrible experience with a number of big name window companies (most who wouldn’t even give me a quote because I’m a female). Jordan was fantastic and a real credit to this company. From start to finish the process was simple. The service was great and the end result looks amazing! Jordan and George got the whole house done in only 2 days. They were happy to get on with it whilst I was at work. You would never have known they had been there afterwards. Most importantly, any questions were always answered promptly. We are delighted with our new windows and door. Thank you Jordan and George.”

Lucy Milne
Composite Door

“A wonderful family business who genuinely care about their customers. Furthermore, providing the best product and service. Front door and canopy supplied and fitted to an exceptional standard. We are so delighted and surprised how amazing and different the front of our house looks. Lovely people to deal with. Such a fantastic job. Highly recommended.”

Kiem Mae

“Love my new front door. From the moment Jordan visited to the end result. I was massively impressed with the whole service. In addition, the ordering process was easy, delivery quick, very flexible with dates and times to fit. They ensured we were around to be happy with the end result. Money paid on completion. This family team is completely different to other companies who try to push their products and charge more. Highly recommend and would definitely use again!! Thanks.”

Fiona McDevitt

Trusted Partners

At Millar Windows & Doors Ltd we are proud to use high quality suppliers and products which are all produced in the UK.

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