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With our CosyGlazing secondary glazing in place, you will feel the difference in warmth and comfort of your home immediately.

Engineered to fit exactly on or within the original window with a choice of many styles and colours, our range is designed to blend in.

Due to their energy savings over single-glazed windows, windows with double-glazing came into the spotlight towards the millennium since their thermal efficiency supported the regulations in the 1997 Kyoto Protocol.

Float glass, Fire-resistant glass, and Acoustic Glass also have special properties and are frequently used.

With years of experience delivering great results, we’ll suggest the best options for your specific building, considering factors such as style, energy efficiency and budget.

Your choice of frame for your windows and the way they're sealed can only make so much difference to how much noise you hear from outside – and how much sound from indoors leaves your home.

Engineered right here in the UK, we proudly support British jobs and technological innovations by hosting a driven and reliable team of over 60 highly trained staff with decades of experience and expertise.

Our team show you how to use your new double glazing and make sure you’re happy.

Find the perfect match for your Granada secondary glazing using our range of over 200 RAL colours.

When sound waves hits a surface, some bounce off, some are absorbed, and some pass through the material.

To address this, every sealed unit is built with crystalline desiccant (like what you find in a new bag or shoes) contained in the spacer bar.

There are two different ways we understand this, interior and exterior glazing.

Making your own has a bunch of advantages in the long run, but there are plenty of great reasons to use premade.

CosyGlazing was designed specifically for period homes and listed properties.

Made from strong light weight aluminium, it is a slim and discreet, cost effective method of insulating & sound proofing your windows.

A spacer bar maintains the gap between the panes and is usually made from aluminium or plastic with low heat conductivity properties.

Gowercroft pioneered the use of vacuum glazing in heritage windows and have won multiple awards for the highly innovative product offering – find out more about our Heritage Windows and Doors.

Well, it is just like it sounds – windows with double-glazing have two panes of glass.

The many layers make breaking the glass difficult, so your property is better protected against break-ins.

Triple glazing offers better insulation than double glazing, potentially cutting heating costs further.