Top Tips on Selecting the Right Double Glazing

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Gone are the days when you would need to huddle up in blankets at home to keep warm in the cold winter months. With the introduction of double glazing in the ’70s, winters have become much more comfortable and manageable. While most new-build developments have double glazing windows and doors pre-installed, there are still a good number of older properties that are yet to be upgraded from single glazing. If you have recently bought such a property or have been living in one for a while and want to upgrade to double glazing, we’ve got some important tips on choosing the right double glazing for your home or office. Read on.


Double glazed windows come in a variety of sizes and types. Depending on the construction of your home, the number of windows and doors in the house, as well as your budget for installation or up-gradation, you can choose from a wide range of double glazed window types. Some of the most common ones include:

  • Sash Windows

These traditional window designs can add a touch of elegance as well as efficiency to your rooms. Based on your preference, you can either have double glazed single or double-hung sash windows, which open by lifting the frame up or down.

  • Casement Windows

The most common type and often the preferred choice for double glazing, casement windows are attached to the frame with hinges and open on one side. They can be made of uPVC, aluminium, or timber.

  • Bay Windows

These are made up of three to four windows which cover a large window section without using too much of the floor space. Double glazed bay windows are great for keeping the room warm as well as nicely lit, as they allow plenty of light into the room.

Frame Material

The type of window frame material also plays a crucial role in deciding the quality and efficiency of double glazing. You can choose from many different materials, but here are three of the most popular choices:

  • uPVC

This is the most commonly used frame for double glazed windows. It is not only the most energy-efficient option, but is also the most cost-effective, durable, and recyclable of the lot. Although they usually come in white, uPVC double glazed windows can come in a variety of other colours and are quite easy to clean and maintain.


  • Aluminium

Aluminium double glazed windows are extremely strong thanks to the strength of the metal itself. They are also lighter and thinner than other frames, making it easier to clean and maintain their original quality.

  • Wood

Wooden double glazed window frames, specifically timber frames, are the most environment-friendly options that are also high on aesthetics and durability. However, these are also quite expensive and comparatively harder to clean and maintain.

Energy Efficiency

One of the biggest advantages of installing double glazed windows is their ability to improve the energy efficiency of a property. However, depending on the style and the make and type of double glazing, the energy ratings of the windows may differ. Typically, the more expensive your double glazed windows, the more energy-efficient they are. Majority of window companies display the energy ratings of their products to help you decide the best option for your home and budget. On an average, double glazed windows with an A or A+ rating will save between £40-£120 per year, depending on the type of property you live in.

Secondary Glazing or Double Glazing?

If you have a limited budget or are unable to install double glazing in your home due to some other reason, getting secondary glazing on the existing windows is the next best option. It involves installing a second layer or pane of glass within the existing window frame to provide better insulation. Secondary glazing is cheaper than installing double or triple glazing but is comparatively less energy efficient.

Double glazed windows and doors are built to last at least around two decades, and hence, are an important investment that can go a long way in keeping your home warm and energy-efficient for a considerable period of time. If you’re looking for experienced window experts who can provide customised advice and services, look no further! Our window specialists not only offer a wide range of products to suit the character of your home but can also provide the right, personalised guidance on choosing the right windows and doors to meet your specific requirements.