Transforming Spaces: Premier Interior Fit-Out Construction and External Window Supplies since 2010

The Clear Choice

Take advantage of our free measure and quote today and experience
Central Coast and Sydney’s best in frameless glass installation.

Services We Offer

  • Suspension ceiling install
  • Dry wall installation
  • Doors and hardware installation
  • Aluminium windows installation
  • Metal stud wall framing
  • Feature wall construction
  • Feature ceiling construction
  • Plastering
  • Painting
  • Water proofing and Tiling (can be supply only)
  • External window supply for residential houses and apartments


At INSTU, we are a dynamic and comprehensive company dedicated to transforming spaces and enhancing the aesthetics and functionality of both interiors and exteriors. With our expertise in interior fit-out services and external window supply, we offer a complete solution to meet the diverse needs of our clients.

At INSTU, we prioritise client collaboration and satisfaction. We listen attentively to our clients’

needs and visions, offering expert advice and incorporating their input throughout the entire process. Our collaborative approach ensures that every project reflects the unique identity and desired outcomes of our clients.

With a focus on professionalism, reliability, and delivering exceptional results, we are committed to meeting project timelines, maintaining strict quality standards, and providing outstanding customer service. Our reputation for excellence and our strong relationships with clients and partners stand as a testament to our dedication.

Interior Fit Out Service

At INSTU, we specialize in transforming spaces into captivating environments that reflect your unique style and requirements. With over 10 years of experience, our dedicated team offers tailored interior fit-out services for homeowners, business owners, and property developers alike.

Why Choose INSTU for Your Interior Fit-Out Needs?

  • Professional Team: Benefit from our team’s 10+ years of experience and expertise. We have the knowledge and skills to deliver outstanding results that exceed your expectations.
  • Professional Consultation: Our expert consultation service ensures a collaborative approach. We listen to your goals, preferences, and budget to provide tailored solutions that meet your unique requirements.
  • Tier 1 Quality Work: We take immense pride in delivering tier 1 quality workmanship. From start to finish, we maintain the highest standards to ensure exceptional results in every aspect of your project.
  • Flexible Working Hours: We understand the importance of adaptability. Our flexible working hours allow us to accommodate your schedule, minimizing disruptions and ensuring a smooth fit-out process.
  • Meeting Program Deadlines: We value your time and work diligently to help you achieve your program deadlines. Our dedicated team is committed to making necessary sacrifices to complete your project on time.

External Window Supply

At INSTU, we take pride in supplying premium external windows that enhance the beauty, functionality, and energy efficiency of residential houses and apartments. We understand that windows play a vital role in creating a comfortable living environment while adding a touch of elegance to your property. With our wide range of high-quality windows, we offer tailored solutions that cater to your unique needs and elevate the aesthetics of your residential space.

Why should you choose us?

  • Factory Based in Sydney, Australia: INSTU operates a state-of-the-art factory in Sydney, Australia. Our local presence allows us to have better control over the production process, ensuring timely delivery and efficient service. By choosing INSTU, you support local manufacturing while enjoying the benefits of working with a trusted domestic supplier.
  • Shorter Lead Time: We understand that time is of the essence when it comes to your projects. INSTU takes pride in offering shorter lead times compared to other external window supply companies. Our streamlined processes and efficient production capabilities enable us to deliver your windows promptly, helping you stay on schedule and meet project deadlines.
  • Easier Installation System: At INSTU, we believe in making the installation process as smooth and hassle-free as possible. Our windows are designed with an easier installation system, allowing for efficient and accurate fitting. Our goal is to minimize disruptions and maximize efficiency, ensuring a seamless experience for both homeowners and professional installers.

Get in touch for your FREE consultation and quote

Discover a world of possibilities with our expertise in custom interior fit-out construction and external windows. At Instu, we specialize in tailoring interior spaces to meet your unique needs and preferences. Our team of skilled professionals works closely with you to create a customized environment that enhances functionality, aesthetics, and overall appeal. From concept to completion, we meticulously plan and execute every aspect of the interior fit-out construction process, ensuring attention to detail and exceptional craftsmanship.

In addition to our interior fit-out services, we also provide a wide selection of external windows to elevate the look and performance of your property. Our range of custom windows is designed to bring in abundant natural light, improve ventilation, enhance energy efficiency, reduce noise, and add a touch of elegance to any space. We understand the importance of finding the perfect windows that blend seamlessly with your architectural style and personal preferences.