aluminium windows

CozyGlaze Aluminium Window Retrofit Specialists

Upgrade Your Aluminium Windows From Single Glazing To Double Glazing Without Changing Your Frames For A Fraction Of The Price Of Window Replacement

aluminium windows
aluminium windows

Humm Finance

Upgrade Now, Pay Later

We offer flexible finance options on all upgrades with Humm, allowing you to spread your payments over up to 3 years.

aluminium windows

Aluminium Windows Upgrades |
Aluminium Single Glazed Windows

At CozyGlaze, we specialize in upgrading the glazing of your existing windows, providing you with the benefits of double glazed latest highest quality efficient glass without the need to replace the entire window.

We can upgrade single glazed windows to double glazing with ease, providing better insulation and reducing energy bills.

Our team is also capable of upgrading old double glazing to the latest highest quality efficient glazing, which boasts superior energy efficiency and noise reduction

We understand that replacing windows can be an expensive and time-consuming process. That’s why we offer a more cost-effective solution by upgrading your existing glazing to heat efficient glazing without the need to replace your frames.

Our experienced technicians can complete the upgrade quickly and with minimal disruption to your daily routine.

With our glazing upgrade service, you can have peace of mind knowing that you are improving the energy efficiency of your home while also increasing its value

Does this sound familiar?
At CozyGlaze, we understand the struggles of dealing with window condensation, drafty windows, poor heat retention, and increased energy bills.
That’s why we offer top-of-the-line double glazing upgrades and aluminium window repairs, ensuring that your home stays warm, comfortable, and energy-efficient, while also saving you money and time on having to fully replace your perfectly fine frames.
upvc windows
Bad Window Condensation

In double glazed windows, the moisture can become trapped between the panes due to a breach in the seal or the failure of the desiccant material that is meant to absorb moisture.

upvc windows
Increased Energy Bills

Bad windows cause increased energy bills as they allow heat to escape from your home. Your heating system has to work harder to maintain a comfortable temperature.

upvc windows
Drafty Windows

Faulty glazed units as well as hinges and seals are some of the reasons for drafty windows. At CozyGlaze we provide a one stop service to get your windows up to spec.

upvc windows
Very Bad Heat Retention

Combination of all faults that can happen over the years results in very bad heat retention leaving you uncomfortable in your own home.

Window Replacement or Window Upgrade?
As with any major work on your home, not every option will suit everyone.
At Cozyglaze, we believe that if you want to achieve great results without spending a fortune on upvc window replacement and you want to save time, double glazing upgrade service is a perfect fit for you.

Window Replacement

  • Expensive and time-consuming
  • Requires complete removal and replacement of old frames and glass
  • Requires extensive redecoration after installation
  • Can result in disruption to daily routine
  • Sometimes requires planning permission and building regulations approval
  • May not be an option in listed buildings or conservation areas

Window Upgrades

  • Cost-effective and quick
  • Replaces only the glass, leaving existing frames intact
  • Minimal to none redecoration required
  • Minimal disruption to daily routine
  • Usually no planning permission or building regulations approval required
  • Often an option in listed buildings or conservation areas
CozyGlaze Is Your One Stop Service
Apart from window glazing upgrades we have technicians that specialize in window repair services. After we carry out a survey we will have a list of things that are wrong with your windows besides glazing itself. We will do our best to bring your windows overall quality up to the highest standard. As part of our window upgrades service we also offer:
  • Aluminium Window Handles Repair
  • Aluminium Window Window Hinges Repair
  • Aluminium Window Seals Replacement

CozyGlaze Glazing Quality

At CozyGlaze, we take pride in offering the highest quality window glazing for your home. Our A rated glass, combined with Low e plus 2 glass and Argon gas filling, ensures maximum energy efficiency and a comfortable living space. Our glazing also boasts an impressive U-value of 1.1, which means you can trust that your home will be properly insulated against the elements. We understand that the quality of your window glazing is crucial to the comfort and efficiency of your home, which is why we only offer top-of-the-line products that we stand behind with confidence. All of our glazing options come with toughened glass as standard.

A Rated Windows

We use A-rated glass to ensure that our windows meet the highest energy efficiency standards.

Argos Gas Filled Cavity

Our windows feature argon gas filled units that improve insulation and heat retention.


U Value windows

Our windows have a U-value of 1.1, providing excellent thermal insulation.

Low E Plus 2 Glass

Our windows feature Low E Plus 2 glass, which is designed for the best performance

Check Out Our Recent Work
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3 Simple Steps To A Warmer House
Step #1: Contact Us!

We are here for you. Please contact us and one of our team members will guide you through each step as well as answer all the questions.

Step #2: Quotation

We can provide you with a quote over the phone in a matter of minutes or visit you at your preffered time.

Step #3: We Upgrade!

Our team will upgrade your windows. Our lead time is 2-3 weeks and most of our upgrades take one day!

Step #1: Contact Us!

We are here for you. Please contact us and one of our team members will guide you through each step as well as answer all the questions.

Step #2: Quotation

We can provide you with a quote over the phone in a matter of minutes or visit you at your preffered time.

Step #3: We Upgrade!

Our team will upgrade your windows. Our lead time is 2-3 weeks and most of our upgrades take one day!

Get In Touch
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