Welcome to Sovereign Windows

Family Run Since 1979

We Now Offer Free Remote Quoting

10 Year Guarantee As Standard

Free Remote Quotes Via Video Chat Available

A Family Run Business Since 1979

10 Year Guarantee On All Installations

With over 30 years experience as a leading provider of quality UPVC windows, Sovereign Windows & Doors are the number one choice for anyone seeking bespoke, high-quality, affordable double glazing. No matter the style of your home, we are able to offer a wide range of double glazing options to suit your requirements.

From our showroom in Uxbridge we have a massive variety of styles and designs available – UPVC, Casement, Sash, Bifold, Composite to name just a few. Whether you want to smarten up the look of your home or to add value to an investment property with energy-efficient double
glazing then Sovereign should be your first contact.

We also regularly install and repair UPVC windows for commercial properties throughout the area’s surrounding Uxbridge, including Hillingdon, Harrow and as far as High Wycombe. Our expert window fitters specialise in schools, hospitals, barns, shops, and even churches. Our windows provide the highest quality thermal and extreme weather performance, and are built and installed with high security systems as standard.

5 Reasons on why you should choose

Design & Consultancy

At Sovereign Windows, we are fully involved in the design and consultancy of all our products, giving you peace of mind.


With a wide range of products to choose from, we are confident that you will find something that perfectly complements your home.


High quality is at the heart of everything we do. At Sovereign Windows we offer incredibly competitive prices without the need to sacrifice quality.

Installation & Aftersales

Highly trained and experienced window fitters and a 10 year warranty back up for your peace of mind.


Whether you own a new-build or historic property, we offer home improvement services to upgrade your home.

Why Choose Sovereign Windows?

Sovereign are a local name you can trust to get you the very best for your budget. We have been supplying and fitting local domestic and commercial windows and doors in North London for 30 years. We have arrangements with multiple suppliers that we have built up over those 30 years and we pass the benefits of those on to you. Your total satisfaction is, and always has been, our number one aim. If We have a local showroom and you are always welcome to come by. Being a family business we take great pride in maintaining our reputation in this area.

Visiting our showroom is a great way to get some much needed context if you are interested in having UPVC windows installed in your home. By viewing the various styles of windows you will be able to see which style will best complement your home. At Sovereign windows we have a wide range of UPVC windows to suit any home. All of our windows are of the highest quality and built out of premium materials.

Due to our many manufacturer relationships built up over 30 years we are proud to be
able to offer you pretty much any product, in any size and be able to beat any genuine
quote in the local area.
If you are interested in installing UPVC windows in you home
then make sure to contact our team today or give us a call on 02088175265 to receive a
free no-obligation quote.

Why choose us?

  • Full 10 year IWA Guarantee
  • High Heat Efficiency A-rated windows
  • No High Sales Pressure
  • FENSA registered company
  • High quality doors and windows
  • Quick lead- times available
  • Discounts available for all customers

Our Customers Reviews

Don’t take our word for it, see what our clients say

I recently had porch doorsfitted by Sovereign Glass The Price was very competitive. They arrived when they said they would and installed the doors without a hitch. The fitters were very considerate and polite. The doors look very good and have been much admired, the house is certainly warmer. When I Pphoned to make the intial apointment I was very satisified and we created a contract. I had patio and windows fitted the year before . When I hit a hitch with locking the door I phoned and they came within as hour corrected the hinge abd explianed how to avoid the problem in the future.

By Sue Styles

Very happy with the service at Sovereign. A repair to my front door was completed quickly. and I have had windows replaced professionally with no fuss. Happy to recommend them and use them again

By Joanna Simpson

I would highly recommend Soverign Windows if you want a top quality, first class service. Excellent advice received. Nothing was too much trouble. Just brillant and am very happy.

By LadyDisco01

After we identified the bifold doors we wanted, Soverign ordered them form the manufacturer for us and took care of all the paperwork. Thier fitters did an expert job and they made sure the doors were properly installed. I would recommend Soverign without hesitation

By Spencer Baldwin