Colonial Windows

JL Windows specialises in the customisation, installation, and replacement of colonial windows. With 7 years of experience serving the Melbourne area, we’ve partnered with over 400 builders to ensure our products not only look stylish but also meet the highest standards of quality and safety. For more details, feel free to reach out to us at: 0481-818-785 or

What Are Colonial Windows

Colonial windows refer to a style of windows that originated during the American colonial period, often recognised by their multi-pane sashes. This window style is popular for its traditional aesthetic appeal and its ability to add character and charm to a building’s exterior and interior. Colonial bars can be found in various materials, including wood, aluminium, and PVC, depending on the overall construction of the window.

We provide windows featuring colonial bars that can be applied both externally and internally to double-glazed units. The material of colonial bars is also quality aluminium. That will be a maintained free option to use only internal bars as they stay inside the double glazing. The external bars stick on both surfaces of the window units and they will add architectural aesthetic to the whole house.

Key Features of Colonial Windows

Multi-pane Glass Design:

Colonial windows stand out for their distinctive grid design, featuring several small glass panes. These panes, also called “lights,” are separated and secured by muntins, commonly known as glazing bars. The arrangement of these panes can differ, with the six-over-six pattern (where two rows of three panes sit above another two rows of three) being quite popular. Yet, you’ll also find other layouts like nine-over-nine, eight-over-eight, or twelve-over-twelve in various colonial styles.

Enhanced Natural Lighting and Ventilation:

The design of colonial windows, especially the multi-pane structure, allows for ample natural light to enter a room. The double-hung sash design is a hallmark of colonial windows, offering superior ventilation options. By allowing either the top or bottom sash (or both) to be opened, homeowners can control airflow and enjoy a fresh breeze, contributing to a comfortable indoor climate.

Modern Materials and Techniques:

While traditional colonial windows were made with single-pane glass and wooden frames, modern reproductions often incorporate advanced materials and manufacturing techniques. These improvements include double-glazing, weather stripping, and the use of energy-efficient materials that mimic the look of wood but offer better insulation, reducing heat loss in winter and heat gain in summer.

Durability and Maintenance:

Traditional wooden frames, when properly maintained, can last for many years. Modern colonial windows often use materials that replicate the look of wood but are resistant to rot, warping, and pests, thereby extending the lifespan of the windows and reducing maintenance requirements.

Colonial Windows Customisation Services

Create the perfect colonial windows for your home with our comprehensive customisation services. Whether you’re looking for the classic six-over-six pane design or something more unique like nine-over-nine, our team works with you to select the ideal style, materials, and finishes. With a wide range of options, including energy-efficient glass, double-glazed glass, and durable frame materials that mimic traditional wood, we ensure your windows enhance your home’s aesthetic and performance.

Colonial Windows Replacement Services

Upgrade your home with our colonial windows replacement services. Whether you’re looking to replace old, inefficient windows or want to enhance your home’s historical charm, our experts can help. We assess your current windows and provide recommendations for replacements that maintain the architectural integrity of your home while offering modern features like improved energy efficiency, better security, and lower maintenance requirements.



Yes, colonial windows can be energy-efficient when properly designed and installed. Many modern colonial windows feature advanced technologies such as double or triple glazing, low-emissivity (low-E) coatings, and insulated frames. These features help to minimize heat transfer, reduce drafts, and enhance the overall energy performance of the windows. Additionally, choosing high-quality materials and ensuring a proper installation can further improve energy efficiency by preventing air leakage and maximizing insulation. With the right specifications, colonial windows can contribute to lower energy bills and a more comfortable indoor environment year-round.

Colonial windows are not limited to colonial-style homes; they can complement various architectural styles, including traditional, cottage, and even some contemporary designs. Incorporating colonial windows into a modern home can add character, warmth, and a sense of timeless elegance. By combining classic elements with contemporary features, homeowners can achieve a harmonious blend of past and present, creating a visually striking and inviting living space.

Proper maintenance is essential for preserving the beauty and functionality of colonial windows. Regular cleaning is key to removing dirt, dust, and grime that can accumulate on the glass and muntins. Use a mild detergent solution and a soft cloth to gently wipe down the surfaces, taking care not to damage the wood or glass. Inspect the window frames for any signs of wear or damage, such as rot or decay, and repair or replace them as needed to prevent moisture infiltration and ensure structural integrity. In addition, lubricate hinges and hardware periodically to ensure smooth operation. With routine care and attention, colonial windows can maintain their charm and performance for years to come.

Unlike contemporary single-pane windows or modern multi-pane windows with large uninterrupted glass surfaces, colonial windows feature a distinctive grid pattern created by wooden muntins. This design harks back to the craftsmanship of early American settlers and adds a touch of historical authenticity to homes. While colonial windows may be less expansive in terms of uninterrupted views compared to modern designs, they make up for it with their unique aesthetic and cultural significance.

JL’s Colonial Windows stand out for our impeccable craftsmanship, attention to detail, and commitment to authenticity. With a blend of traditional design and modern engineering, we offer timeless beauty and superior functionality, making them a standout choice for homeowners seeking classic charm with contemporary benefits. Choose JL’s colonial windows to elevate the beauty and performance of your home or building. Contact us today to schedule a consultation and discover how our customizable colonial windows can enhance your architectural vision. Experience the perfect blend of tradition and innovation with JL’s colonial windows – your gateway to lasting style and comfort.