Awning Windows

48mm Awning Window
  • The 48mm Awning Window is a top hung system with hollow mullion and stile sections to add strength and security.
  • The additional use of Q’lon seals with this system also improves energy, weather and acoustic performance.
  • It can also accommodate friction stays and chain winder options. Multiple bays can be added using a standard mullion.
  • The design includes multiple stiles to accommodate several glass thicknesses.
  • Options available include: restricted opening, standard or barrel key locking, insect or security screens.
100mm Commercial Awning Window
  • The luxury is obvious in the 100mm commercial Awning window. A top hung awning window the commercial Awning is perfect for almost any application.
  • Single & Double Glazed Options (up to 24mm)
  • Standard and high performance configurations using sub frame system
  • Multiple and adjustable locking points allow large sizes & high wind pressures
Casuarina 48mm awning windows

Structural Performance (up to)
Serviceability Limit State Wind Pressure: 1000Pa max
Ultimate Limit State Wind Pressure: 3500Pa max
Water Penetration Resistance Pressure: 1000Pa max

Maximum Recommended Size (up to)
Height: 1550mm
Height with low light: 2750mm
Width: 1200mm (sash width)

Glazing Maximum Thickness (up to)
Single Glazed: 6.76mm
Double Glazed: 22mm

Acoustics (up to)
48mm Awning Window: RW (C:Ctr): 32 (0:-1)





Transform Your Space - Discover Amazing Awning Window Replacements Near You

Are you considering window replacements that combine style, durability, and energy efficiency? Look no further than TWT Aluminium Pty Ltd. We specialise in providing top-notch awning windows replacements near you in Sydney. Our dedication to quality and excellence has made us a trusted name in the aluminium industry in Sydney. Discover how our aluminium windows and doors can transform your space, providing both functionality and aesthetics.

About TWT Aluminium Pty Ltd

TWT Aluminium Pty Ltd has a solid track record of delivering reliable windows, doors, and flyscreens to builders, developers, homeowners, and engineers across Sydney. With a team of experienced professionals and a dedication to offering high-quality products, we provide comprehensive support from the initial quotation to the final installation in your home. Our top priority is to bring you dependable doors and windows that enhance your living space.

Why Choose Aluminium Windows And Doors?

Aluminium windows and doors have become increasingly popular in the construction industry for several compelling reasons:

Durability And Low Maintenance

Our aluminium doors and windows, and awning window replacements are designed to stand the test of time. They are highly resistant to corrosion and rust, making them ideal for the unpredictable weather conditions in Sydney. Choosing aluminium means choosing longevity and minimal upkeep.


Our aluminium windows and doors offer excellent value for your money. Not only are they cost-effective to install, but they also deliver long-term savings through improved energy efficiency. The thermal properties of aluminium help regulate indoor temperatures, reducing the need for constant heating or cooling.

Customisation For Unique Designs

We understand that every property is unique, and your windows and doors should reflect your personal style. Our products come in a wide range of designs, colors, and finishes, allowing you to choose the perfect match for your stunning home design.

service man installing window with measure tape.

Discover Awning Windows

When it comes to window replacements near you, awning windows are an excellent choice. They provide functionality and aesthetic appeal, making them suitable for both residential and commercial properties. At TWT Aluminium, we offer a variety of awning window options to meet your specific needs.

48mm Awning Window

Our 48mm awning window is a top-hung system with hollow mullion and stile sections for added strength and security. The use of Q-lon seals enhances energy efficiency, weather resistance, and acoustic performance. This window can also accommodate friction stays and chain winder options. Multiple bays can be added using a standard mullion, making it suitable for various architectural designs. With multiple stiles to accommodate different glass thicknesses, you have the flexibility to choose the perfect fit for your space. Additional options include restricted opening, standard or barrel key locking, and insect or security screens.

100mm Commercial Awning Window

For a touch of luxury and versatility, consider our 100mm commercial awning window. This top-hung awning window is available in single and double glazed options (up to 24mm), making it suitable for various insulation needs. It features standard and high-performance configurations with a sub-frame system, ensuring compatibility with large sizes and high wind pressures. Whether you’re looking for windows for your home or commercial property, the 100mm commercial awning window offers premium style and performance.

Technical Specifications

Before making your decision, it’s crucial to consider the technical aspects of awning windows. Our awning windows boast impressive structural performance, with a serviceability limit state wind pressure of up to 1000Pa max and an ultimate limit state wind pressure of up to 3500Pa max. They also offer exceptional water penetration resistance, with a pressure rating of 1000Pa max.

In terms of sizing, the maximum recommended dimensions are a height of 1550mm and a height with low light of 2750mm. The maximum width for the sash is 1200mm, ensuring suitability for a wide range of applications. When it comes to glazing, we offer options for single glazed windows with a maximum thickness of 6.76mm and double glazed windows with a maximum thickness of 22mm. Additionally, the 48mm awning window provides excellent acoustics, with an RW (C:Ctr) rating of 32 (0:-1).

Experience The TWT Aluminium Difference

When you choose TWT Aluminium Pty Ltd for your awning windows replacements, awning window replacements and all your aluminium window and door needs, you’re choosing excellence. With a decade of experience, a dedication to the highest product quality, exceptional customer service, and 100% Australian-made products, we are your trusted partner. 

Transform your space with our awning windows and experience the TWT Aluminium difference today. Contact us at (02) 8740 4751 / 0403 972 493 or email us at [email protected] for a free quote, and let us bring reliability and style to your property.


These windows are designed to open outward from the bottom, creating a small awning-like effect. This allows fresh air to enter your space while keeping rain and debris out. The unique design also promotes better airflow, making it easier for stale air to escape and ensuring a constant supply of fresh air throughout your home or office. With TWT Aluminium Windows & Doors’ awning windows, you can enjoy improved ventilation and create a comfortable and breathable environment.

So, call us for awning windows replacement today! 

Absolutely! During the replacement process, our skilled team can easily upgrade your existing windows to these energy-efficient awning windows. Not only will you enjoy enhanced thermal performance, but also the added benefits of increased natural light and superior ventilation. Upgrade to energy-efficient awning windows with us and experience the perfect combination of style and sustainability.

Our awning windows are designed to withstand the harsh Australian weather conditions. They are made from high-quality materials that are resistant to fading, warping, and corrosion. Additionally, our windows come with excellent weather sealing to keep your home insulated and protected from drafts.

So whether it’s scorching heat or gusty winds, you can trust our awning window replacements to stand up against Sydney’s unpredictable weather and keep your home comfortable all year round.

We can provide you with references from our previous clients who have had their awning windows replaced by us. You can also browse through our portfolio of completed projects to get a visual representation of our high-quality workmanship. 

Just reach out to us, and we’ll be more than happy to share these references and examples with you!

One popular option is aluminium, which is known for its durability and sleek appearance. It is resistant to rust and corrosion, making it an excellent choice for windows exposed to the elements. Another common material is vinyl, which provides excellent insulation and requires minimal maintenance. For those seeking a more traditional look, wood can be a great option as it adds warmth and charm to any space. 

Whether you want a small window to save space or a big one for more sunshine vibes, we’ve got what you need. Our replacement awning windows come in various styles and finishes, so you can find the perfect match for your crib or workplace. 

Don’t stress about it – just give TWT Aluminium Windows & Doors your preferences, and our awesome team will make the whole selection process super easy for you!

Yes, we can integrate advanced locking mechanisms, reinforced frames, and even install security screens for added protection against intruders. 

Our experts will work closely with you to understand your specific needs and provide tailored solutions that meet your requirements. 

Yes, we do. Our team of experts will work closely with you to understand your specific needs and design awning windows that perfectly complement your building’s aesthetics. Whether it’s a non-standard size, a specific colour or finish, or any other customisation, we’ve got you covered. 

With our state-of-the-art manufacturing facilities and skilled craftsmen, we can bring your vision to life while ensuring the highest quality standards. So, call us for a quick awning windows replacement in Sydney!

With advanced sealing technology, our replacement awning windows create a tight seal that keeps out rain, wind, and drafts. The frames are made from high-quality materials that offer excellent insulation properties, keeping your home warm in winter and cool in summer. Additionally, our windows undergo rigorous testing to ensure they meet industry standards for weather resistance and energy efficiency.

So, call us now for a free quote! 

For sure! Here at TWT Aluminium Windows & Doors, we totally get how crucial it is to pick the perfect awning windows for your needs. Our goal is to help you make a smart choice that suits you best! Our specialist team will listen carefully to your requirements, preferences, and budget. Whether you want windows that offer super ventilation, energy efficiency or a cool and modern look – no worries! We’ve got everything sorted for you.

We’ll guide you through our range of awning windows and help you select the perfect fit for your home or project. 

Well, our awning windows are designed with advanced insulation technology, which helps to minimise air leakage and prevent drafts. This means better temperature control and reduced energy consumption for heating or cooling your home. Not only that, but our windows also offer excellent thermal insulation, keeping the heat out during summer and trapping warmth inside during winter. 

By upgrading to our replacement awning windows, you’ll not only enhance the aesthetics of your home but also save on energy bills in the long run!

Yes! Our windows are built to be top-notch, using fancy materials and advanced technology that keep all those annoying noises from the outside world at bay. No more traffic rumblings or construction clatter disturbing your peace! Even your rowdy neighbours won’t stand a chance against our soundproofing solutions.

So, when you go with TWT Aluminium Windows & Doors for your awning window replacements, you’ve got total tranquillity just a fingertip away.

The cost range for replacing awning windows in a residential property can vary depending on several factors. These factors include the size of the windows, the type of material chosen, any additional features or customisation, and the complexity of installation. Keep in mind that this is just an average range and it’s best to get in touch with our team for a personalised quote based on your specific requirements.

Start by regularly wiping down the frames and glass with a mild, non-abrasive detergent or window cleaner. Use a soft cloth or sponge to remove any dirt or grime. Remember to avoid using harsh chemicals or abrasive materials that could damage the surface. Additionally, make sure to check the window’s hardware for any loose screws or hinges and tighten them if needed. With proper care and regular cleaning, your awning windows will continue to enhance the beauty of your home for years to come!

Call us now on 0403 972 493 for a quick and budget-friendly awning windows replacement service in Sydney!

TWT Aluminium

Residential & Commercial Aluminium Windows and Doors Supply in Sydney

Please remember, bringing you reliable doors and windows is our No.1 goal !

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