Our Range Of Windows For Installation

Our Range Of Windows For Installation

Free Remote Quotes Via Video Chat Available

A Family Run Business Since 1979

10 Year Guarantee On All Installations

Sovereign’s Double Glazed Window Range

Manufactured and rigorously tested to withstand the ever-changing UK weather, our range of windows are all professional installed to keep you safe and comfortable at home.

Our windows are available with a variety of glass sealed unit configurations and are certified up to ‘A’ Rating (the industry maximum) by the British Fenestration Rating Council’s Energy Rating Scheme. With a coverage area spanning wide from our home in Uxbridge, we offer window installation and replacements across Hillingdon, Maidenhead and even as far as High Wycombe.

As a family-run business since 1979 we are more than experienced in replacing broken and obsolete windows. We offer a professional service with a versatile range of replacement options to suit your budget, home and desired style.




We are able to offer replacement windows with the high-security TRICEPT PVC-u system and also the Beaufort aluminium suite. Both products are covered by a full IWA Insurance backed 10 year guarantee for added peace of mind.

No matter which option for upgrading your windows you chose you can be sure all our options are manufactured to the latest Building Regulation requirements. Sovereign is registered with FENSA, the regulatory authority set up to monitor and record window and door installations.

We are aware that many customers do not wish, or are wary of a representative calling at their home. That’s why we offer a quotation service over the telephone; all that’s needed is the approximate window or door sizes.

To add even more flexibility to our customers we have recently added a remote quoting option. Using the latest in sophisticated software we can now tweak sizes, styles as you like and even show you what your new windows will look like. With this we can produce multiple quotes, allowing you to explore our full range of frame options. 

As a family-run business we are never about the hard sale, we have no commission or brand affiliations so all work carried out will be fair and all advice given is to solely benefit you, our customer. For example when quoting for a single window we will always try to conduct a window repair where possible to keep your costs as low as possible. 

Sovereign’s Double Glazed Window Range

What Types Of Windows Can You Install?

With such a wide client-base, extending beyond our home in Uxbridge, we cater to a range of styles depending on your home. From new builds to homes that have long stood the test of time at Sovereign we offer the perfect combination of window style and material.

Styles Of Window We Install Include:

Sash Windows – Most popular in traditional homes, we can install a range of sash windows spending on the style of your home. This includes Edwardian, Georgian and Victorian if you’re unsure on the correct type of sash window you need just give us a call and we’d be happy to help.

Tilt & Turn Windows – With two ways to open, a tilt and turn window is certainly a versatile choice for a new window. Designed with two hinges you can tilt it open vertically to allow air to circulate, or inwards like a traditional window to allow for full ventilation. We recommend tilt and turn windows for smaller rooms like bathrooms to allow cool air to enter with having to fully swing open, like other windows.

Bay Windows – Adding a unique touch to your home, bay windows are often found looking out from the living room. By using clusters of windows you get a beautiful wide view, which is ideal for letting plenty of light in.

Secondary Glazing – Usually found in listed buildings, where complete renovation of the windows is not permitted. Adding a second internal window is great for preserving the external appeal of a period home whilst adding the extra layer of insulation and security

Window Frame Materials We Use:

uPVC – Offering low maintenance with high insulation and security. uPVC windows are among the most common materials we use in our everyday installations, simply because so many modern homes use it.

Timber – The ideal choice for most period properties. Preserving your homes aesthetic, our timber frame windows’ toughness allow for double or even triple glazing to be installed. When all this is considered often timber frames are the most cost-effective to live with.

Aluminium – Lasting longer than a uPVC window, aluminium frames are a good way to get extra durability without a significant extra cost. Once considered poor for heat retention, our modern aluminium windows offer added thermal breaks to match the efficiency found in most other materials.

Composite – Using both aluminium and timber, a composite frame offers the best of both worlds. Giving a longer lifespan than uPVC, along with simple maintenance, high-security composite framed windows offer the most complete window you can get, although the cost to replace can be a little higher.

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 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