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The Different Types of Double-Glazed Windows Compared

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  • Admin
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  • Casement Windows, Double Glazed Sash Windows, Tilt and Turn Windows, Double Glazed Casement Windows, Bay Windows
  • Posted date:
  • 13-12-2023
The Different Types of Double-Glazed Windows Compared

We look at the different types of double glazed windows compared. From uPVC to aluminium and wood, uncover the unique features, energy efficiency, and aesthetic appeal each material offers. Make an informed decision for your home by understanding the pros and cons of these double glazing options. 

Casement Windows

One popular style of window widely appreciated in building projects for its classic aesthetic and functional benefits is the casement window. Choosing among the multitude of window options available can be challenging, but casement windows offer a tried and true solution for many homes. Typically hinged on the side, they open outwards either to one side or both, maximising the amount of light that can pour into your house.

Composed of single or multiple glass panes, they can be made with various materials, including timber and aluminium and come in myriad colours. A key benefit of casement windows is that they provide excellent ventilation. They also offer a clear view of the outdoors, unobstructed by sashes or frames, boosting the aesthetic appeal of your property. The primary factor to consider when exploring casement windows is the space requirement for their operation.

The Different Types OF Double Glazed Windows Compared

Double Glazed Sash Windows

Whether you're performing a home renovation or designing a new property, double-glazed sash windows are an elegant choice that adds charm and style to any property. These windows consist of either single-hung or double-hung types, depending on your personal requirements.

Both types come with one or several movable panels - often referred to as "sashes" - that collectively serve to make a frame to hold the glass panes. Single-hung sash windows feature a single movable sash panel, therefore, only one-half of the window can be opened at once. This is perfect for rooms that don’t require a large amount of ventilation, providing a secure and stalwart choice for your home.

On the other hand, double-hung windows come equipped with two movable sashes, allowing for the window to be opened from the top or bottom, making it optimally designed for rooms which need better ventilation like kitchens or bathrooms.

When these sash-type windows are paired with double glazing, they significantly boost the energy efficiency of your dwelling, thus helping to reduce your monthly energy bills. Double glazing essentially incorporates two layers of glass with an insulating air gap sandwiched between them, hence providing increased thermal insulation and reducing noise pollution.

Moreover, these windows are designed to be versatile, being able to fit in harmoniously whether your property is of a contemporary or vintage design. Such versatility and aesthetic adaptability make these sash windows a popular option among homeowners. In terms of the materials used for the window frames, timber, aluminium, and uPVC are the most popular choices. Timber, although more traditional, adds a touch of authenticity and elegance to your home.

Aluminium, on the other hand, offers a modern, minimalistic appeal. Meanwhile, uPVC is incredibly durable, maintaining its appearance over the long term. Additionally, these materials can be tailored in different colours and finishes, allowing you to customise your sash windows according to your desired style.

Double Glazed Tilt And Turn Windows

When evaluating options harmonising functional effectiveness with contemporary aesthetics, double-glazed tilt-and-turn windows effortlessly surpass the competition. These uniquely designed windows possess the exclusive facility of opening in two distinct ways, offering a flexible solution for varied uses.

To begin with, the tilt function permits the topmost part of the window to move inwards. This feature proves beneficial in increasing ventilation, making it easier to let fresh air in while keeping rain and uninvited pests out.

Moreover, the tilt mechanism offers controlled ventilation, providing an optimal balance between fresh air supply and security. In addition to the tilt function, the turn capability allows the window to swing open in the same way a standard casement window does. This special feature is particularly handy for tasks such as cleaning, as it enables easy access to both the interior and exterior glass surfaces.

Furthermore, this complete opening functionality signifies a practical escape route during emergencies, hence enhancing the safety aspect of your dwelling. Uniquely engineered with a twin glass layer design, these windows demonstrate exceptional thermal insulation properties.

Their popularity burgeons due to the noteworthy contribution they make to a home's energy efficiency, potentially helping to reduce living costs. Double-glazed tilt-and-turn windows are typically crafted from hard-wearing materials such as uPVC, aluminium or timber. An extensive assortment of colours is available, allowing you to perfectly match or accent the window with your home's existing design scheme.

Double Glazed Casement Windows

For homeowners in the market for flexible, functional, and aesthetically pleasing window options, double-glazed casement windows are an ideal selection. These types of windows are attached to their frame by one or more hinges at the side. Their structure allows them to open outwards, offering an unrestricted and picturesque panorama of the exterior environment.

Plus, they can be opened to allow copious amounts of fresh air and light into your living space. In addition to these practical benefits, double-glazed casement windows also offer significant advantages in terms of energy efficiency. The double glazing essentially consists of two layers of glass with a space in between, which serves as a layer of insulation.

This insulation helps keep the heat in during the winter and out during the summer, leading to a noticeable reduction in energy bills over time. Just as with many other popular types of windows, double-glazed casement windows can be produced in a range of materials including aluminium and timber. This means they can be customised to suit a wide array of property styles and aesthetics.

Crucially, homeowners have the freedom to choose different colours and styles to match or enhance their property's existing appearance. This balance of function and style makes double-glazed casement windows a favoured choice for a diversity of homes.

Bay Windows - Types Of Double Glazed Windows Compared

BAY WINDOWS

If you are in search of a window design that brilliantly merges style, illumination, and additional space for your home, it might be time to consider bay windows. These distinct types of windows, whether furnished with double glazing or not, reach outward from the principal walls of a residence, thus crafting a bay within a room and presenting a unique style feature.

They most commonly are fitted with a minimum of three glass panes, which gives your dwelling a bright and sunny ambience. The supporting structure for bay windows characteristically integrates a medley of styles, with casement or double-hung windows being the most popular choices.

Deciding to install bay windows injects a singular charm into your accommodation, augmenting the visual appeal of both the interior and exterior of the premises. The material options for these windows are diverse, with timber, uPVC, and aluminium being the most sought-after options. With timber windows, you gain a classic, warm, and aesthetic appeal.

Timber is highly durable and provides an excellent insulation property, which makes your house energy efficient. uPVC, on the other hand, serves as a great low-maintenance, resilient, and cost-effective option. For those seeking a sleek, modern look, aluminium is a good pick. Despite its lightweight, it is incredibly sturdy and offers a wide range of finish options. Irrespective of the material you prefer, bay windows confer numerous advantages.

First and foremost, they expand the sense of space in your home. By design, bay windows extend out from the wall, creating a small nook or bay area inside the room. This addition adds depth to the room, making it appear much larger than it is. This extra space can be used in various ways according to your taste and needs, such as a cosy sitting area or a display area for your favourite items.

Secondly, they allow more natural light into your space. The multi-faced design of these windows ensures that a generous amount of sunlight streams in, thereby providing rooms with a sense of openness and airiness. This feature also adds to one's energy efficiency goals, as less artificial lighting is required during the day.

Last but not least, bay windows can enhance the overall value of your property. With their undeniable architectural allure and practical benefits, they add to the curb appeal of your house, which often influences its value in the property market. Potential buyers will appreciate these unique style elements and the additional light and space they offer. In summation, bay windows convey a unique blend of style, light, and space, making them a fabulous asset for any home.


The Dereham Window Company Ltd provides the best double glazing services in and around Dereham. Whatever you require, our professional team can assist you with everything from small repairs to installing a completely new windows.