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Trusted Windows and Doors Supplier in Glasgow
Established with a commitment to excellence, Alpha Windows & Doors has become a trusted name in Glasgow and Central Scotland for premium window and door solutions. With over a decade of experience, we specialise in supplying and installing energy-efficient uPVC, composite, and bi-fold doors, alongside double and triple glazed windows tailored to meet individual customer needs. Our team of skilled professionals prioritises quality craftsmanship, offering made-to-measure products that enhance both the aesthetic and security of residential and commercial properties. Every installation is backed by a comprehensive 10-year guarantee, reflecting our confidence in the durability and performance of our materials. We pride ourselves on delivering competitive pricing without compromising on standards, ensuring clients receive exceptional value for their investment.

Our extensive range includes French doors, patio doors, and versatile bi-fold systems, all available in a variety of finishes and glazing options. By combining advanced manufacturing techniques with traditional attention to detail, we create solutions that reduce energy bills while maintaining thermal efficiency. Customer satisfaction remains at the heart of our operations, with a focus on minimising disruption during installations and providing clear, transparent advice throughout the process. Our dedication to innovation ensures we stay ahead of industry trends, offering products that blend modern technology with timeless design. Whether upgrading a single window or undertaking a full-scale renovation, our team is committed to exceeding expectations through personalised service and technical expertise.
Services
uPVC Windows Composite Doors French Doors Patio Doors Bi-Fold Doors Double Glazing Triple Glazing
Highlights and features
  • We offer a 10-year guarantee on all products.
  • Our installations are carried out by fully trained experts.
  • We provide competitive pricing without compromising quality.
  • We supply made-to-measure windows and doors tailored to your property.
  • We serve both domestic and trade customers across Central Scotland.
Services
uPVC Windows
Our uPVC windows provide energy efficiency and security with A-rated glass as standard. Available in multiple frame colours and styles, they reduce energy bills while requiring minimal maintenance. Expert installation ensures seamless integration with your property's aesthetic.
Composite Doors
Durable composite doors combine timber aesthetics with modern durability, resisting warping and weather damage. Available in wood-grain finishes and high-security configurations, they enhance insulation and property value. Installation includes multi-point locking systems for safety.
French Doors
Elegant French doors offer natural light ingress and secure access to outdoor spaces. Constructed with toughened glass and heavy-duty hinges, they are custom-fitted to complement window styles. Ideal for creating a seamless indoor-outdoor living area.
Bi-Fold Doors
Space-saving bi-fold doors transform living areas with full-width garden access. Featuring laminated glass and smooth stainless steel runners, they stack neatly to maximise openings. Perfect for modern extensions or conservatory upgrades.
Double Glazing
Double glazing installations reduce heat loss and noise pollution using advanced sealing technology. Our bespoke solutions include repair services and commercial applications. Energy-efficient upgrades help lower annual heating costs significantly.
Questions
What areas do you serve?
We operate across Glasgow and Central Scotland, providing window and door installations for residential and commercial properties.
Do your products come with guarantees?
All installations include a 10-year manufacturer's guarantee covering materials and workmanship.
Can I customise window and door designs?
Yes, we offer made-to-measure solutions in various colours, finishes, and glazing options to match your property's style.
Are your installers qualified?
Our team consists of fully trained professionals with over 11 years' experience in double glazing and door installations.
What payment methods do you accept?
Please contact our office directly for payment arrangement details as this information isn't specified online.