
Best Reviewed
Windows for Landed Properties
Surely, you deserve the best
Expect nothing less than top quality and complete satisfaction with every delivery.
- Delivering Excellence over 3 Decades
- Top-rated and reviewed manufacturer for windows and doors
- More than 5000+ projects completed in Singapore
- Burglar-proof windows that are best-in-class
- Trusted by architects and contractors
Sapphire Windows Management Interview at Money FM 89.3
Curious about the secret behind a truly remarkable window experience? Our MD Jeffrey and GM Sean share the essence of how window quality adds to the comfort of your home in our insightful interview with MONEY FM 89.3. Don’t miss out – dive into the full interview now!
Unveiling Our New State-of-the-Art Headquarters
Your Glass Window Specialist in Singapore
Leading Glass and Window Manufacturer and Supplier
At Sapphire Windows, we are not just a window and door supplier in Singapore; we are artisans of living spaces. Our exquisite windows and doors are designed to adorn homes of all sizes, from luxurious bungalows to contemporary two-story homes. Every detail counts as we blend innovation with timeless aesthetics to create windows and doors that elevate your living experience. Our expertise in manufacturing glass windows and doors in Singapore ensures our unparalleled quality and performance. As a preferred window manufacturer in Singapore, we commit to excellence in every project.
Sapphire uPVC Windows
Discover unparalleled value when you work with a trusted window and door supplier.

Why Choose Sapphire uPVC?
Enhance your Singapore home with Sapphire’s custom, burglar-proof uPVC windows and doors.
OTIIMA Super Slimline Aluminium
The world's most innovative minimal frame window and door system.

Why Choose OTIIMA Aluminium
We provide premium Slimline Aluminium windows that showcase impressive features while maintaining a sleek, minimalist design.
Singapore
For the past 35 years, Sapphire Windows has been the preferred specialist and supplier for architects, contractors, interior designers, and homeowners in Singapore. We have successfully transformed over 5000 landed residential properties into extraordinary living spaces, each bungalow a testament to our specialist craftsmanship and quality. From sturdy minimalist glass doors to soundproof windows in Singapore, our bespoke solutions continue to redefine what it means to live and design with style and purpose.
Landed Residential & Bungalows
We craft windows and doors that define elegance. View our projects for residential bungalows.

- Nut Tree

- Ash Black

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- Nut Tree

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- White

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- Nut Tree

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Our Reviews
on Google
Media Mentions
Our Accreditations
We are proud to be recognised for the SME500 award in 2022 and the APA award in 2023. To maintain our high-quality standards, all our products are certified by the relevant authorities.
Uncover the Sapphire Standard
Frequently Asked Questions About
Sapphire uPVC and OTIIMA Aluminium
What are the advantages of having custom windows and doors from Sapphire uPVC and OTIIMA Aluminium versus ready-made ones for landed properties?
Opting for custom uPVC windows and doors from Sapphire ensures you benefit from the best in soundproofing, watertightness, thermal insulation, and burglar-proofing. Our windows are virtually maintenance-free and designed for durability, giving you peace of mind and more time to enjoy life. For those seeking ultra-modern aesthetics for their landed properties, our OTIIMA SlimLine Aluminium windows and doors offer a minimalist effect and extra-large designs that are simply unparalleled.
How do I know what measurements to provide for my custom windows and doors?
Our team of experts will guide you through the measuring process to ensure that your glass windows and doors fit perfectly into your living spaces. If you’re working with a contractor or interior designer, rest assured we will collaborate with them for seamless coordination and precise measurements. Our focus is always on accuracy and reliability, allowing you to proceed with confidence in your project.
What is the window installation process like?
Our professional specialists handle the installation, ensuring a smooth integration into your home without compromising on safety or aesthetics. Upon confirmation, we’ll schedule an installation appointment with you or your contractor/interior designer. We will also discuss the timeline and estimate the number of hours required for a smooth installation. On the day of installation, our team will arrive with all the required tools, ensuring a quick and secure setup. We prioritise both safety and aesthetics, giving you a seamless and hassle-free experience.
Do I need to engage with a contractor or architect, or can I contact Sapphire Windows directly?
You can contact Sapphire Windows directly. Our team is equipped to provide comprehensive solutions that align with your vision and requirements. While you’re welcome to work directly with us, collaborating with a contractor or interior designer in Singapore can offer additional insights into your project. Regardless of your choice, leave the legwork to us; we coordinate seamlessly with all parties involved to bring your vision to life.
View our guide to choosing the perfect glass windows for your home.
How long does it take to manufacture my custom windows and doors?
The manufacturing time frame depends on the project’s complexity, but rest assured that we prioritise quality and timeliness in all our work. We can expedite projects on a case-by-case basis, depending on staffing availability. However, we ask for your patience to ensure a smooth collaboration and flawless execution of your custom windows and doors.
Are the windows manufactured locally?
Yes, all our windows are manufactured locally, adhering to stringent quality control measures. This includes water tightness and glass-breaking tests to guarantee the highest levels of performance and safety. Our expertise as a local manufacturer ensures that every product we deliver meets the highest quality and durability standards. For more information or specific queries about our manufacturing process, feel free to get in touch with us. We’re here to assist you every step of the way.
Are the aluminium windows weatherproof and waterproof?
Yes, our aluminium windows are designed to withstand the harshest conditions, offering unparalleled weatherproofing and waterproofing features. In addition, our aluminium windows offer superior sound insulation, thermal efficiency, and high-security features. These windows come equipped with European-made multi-point locks and galvanised steel reinforcements for optimal burglar-proofing. They are also designed for durability and are capable of resisting corrosion and degradation, making them an excellent long-term investment for your home.