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A Complete Guide to Window Options for Your Extension

Seize the window of opportunity!

When it comes to designing your home extension, selecting the right windows is crucial. Windows not only enhance the visual appeal of your space but also play a significant role in natural light, ventilation, and energy efficiency. With a wide range of window options available, it’s important to understand their features, styles, and functionalities to make an informed choice. In this comprehensive guide, we will explore various window options for your extension, helping you create a bright, comfortable, and stylish living environment.

Casement Windows:

Casement windows are a popular choice for home extensions. They feature a side-hinged design that opens outward, allowing for maximum ventilation and unobstructed views. Casement windows provide excellent energy efficiency, security, and versatility. They can be customised with different materials, finishes, and glazing options to match your home’s architectural style.

Double-Hung Windows:

Double-hung windows are a classic choice, consisting of two vertically sliding sashes that can open from both the top and bottom. These windows offer versatility in ventilation, allowing you to control the amount of airflow. They are easy to clean, provide a traditional aesthetic, and work well in various architectural styles.

Sliding Windows:

Sliding windows are a sleek and space-saving option for your extension. They feature one or more horizontal panels that slide smoothly along a track. Sliding windows are easy to operate, provide ample natural light, and offer unobstructed views. They work particularly well in modern and contemporary designs.

Awning Windows:

Awning windows are hinged at the top and open outward, creating an awning-like effect. These windows are ideal for ventilation, as they can be left open even during light rain. Awning windows are suitable for various locations in your extension, including above countertops or as part of larger window compositions.

Picture Windows:

Picture windows are fixed windows that do not open but are designed to frame a beautiful view and maximise natural light. These windows are perfect for bringing the outdoors inside and creating a focal point in your extension. Picture windows are energy-efficient, low-maintenance, and can be combined with other window types for a customised look.

Bay and Bow Windows:

Bay and Bow windows are excellent options to add architectural interest and create a sense of space in your extension. Bay windows typically consist of three panels, while bow windows have a more curved appearance with four or more panels. These windows extend outward, providing additional interior space, panoramic views, and ample natural light.


Skylights are an excellent choice to bring abundant natural light into your extension, especially in areas with limited wall space. They are installed on the roof and come in various styles, including fixed, vented, or tubular designs. Skylights add a unique architectural feature and create a bright, open atmosphere.

Choosing the right windows for your extension is essential for creating a comfortable, functional, and visually appealing space. Consider factors such as ventilation, natural light, energy efficiency, and architectural style when making your decision. Whether you opt for casement windows for maximum airflow, sliding windows for a sleek look, or picture windows for panoramic views, each option has its unique advantages. By selecting the perfect window options, you can transform your extension into a bright and inviting living area that seamlessly integrates with your existing home.

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