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Trusted Double Glazing Solutions in Cornwall
Newquay Plastics is a family-run business with over four decades of combined experience in the double glazing industry. We specialise in manufacturing and installing high-quality Eurocell windows, doors, and conservatories across Cornwall, prioritising energy efficiency through Low E glass and durable materials. Our commitment to excellence is reflected in our 10-year insurance-backed guarantees, registered via Certass, and our reputation for honest advice and exceptional customer service.

We pride ourselves on avoiding high-pressure sales tactics, focusing instead on tailored solutions and long-term client relationships. Our teams expertise extends to repairs and maintenance, ensuring lasting value for every project.
Services
Windows Doors Conservatories Triple Glazing Fascias and Guttering Glass Roof Lanterns Window Repairs Door Repairs
Highlights and features
  • We have over 40 years of combined experience in the double glazing industry.
  • Our installations use energy-efficient Low E glass for superior insulation.
  • All qualifying work includes a 10-year insurance-backed guarantee.
  • We offer reliable repair services for PVC windows, doors, and conservatories.
  • Our team provides honest, non-pressured advice tailored to your needs.
Associations and certifications
  • Certass
What people say
Good quality products Excellent service Highly recommend Top quality job Professional and friendly
Services
Windows
Our energy-efficient windows use 28mm or 36mm Low E sealed units to enhance insulation and reduce energy costs. Manufactured with durable PVC materials and reinforced steel for security, they come with a 1020-year guarantee against discolouration. Each installation is Certass-registered, ensuring compliance with current regulations and long-term reliability.
Doors
We supply and install robust composite doors with multi-point locking systems for enhanced security. Our doors feature corrosion-resistant hardware and are available in various styles to suit residential properties. All installations include a 10-year insurance-backed guarantee, reflecting our confidence in quality and durability.
Conservatories
Our conservatories combine aesthetic appeal with functionality, using energy-efficient glazing and durable materials. Designed to complement existing properties, they are installed with precision and backed by Certass registration. Ideal for extending living spaces while maintaining thermal efficiency and structural integrity.
Window Repairs
We offer comprehensive repair services for misted units, faulty hinges, and locking mechanisms in PVC windows and doors. Our team ensures minimal disruption, using high-quality replacement parts to restore functionality and extend the lifespan of existing installations across Cornwall.
Fascias and Guttering
Our fascias and guttering systems are crafted from durable materials to enhance roofline aesthetics and functionality. Installed with precision, they prevent water damage and improve property insulation. Clients praise our attention to detail and the professional finish of these essential exterior components.
Questions
What areas do Newquay Plastics serve?
We operate across Cornwall, including Truro, Falmouth, Bodmin, and St Austell, providing installations and repairs for windows, doors, and conservatories.
Do you offer guarantees on installations?
Yes, qualifying double glazing installations include a 10-year insurance-backed guarantee, registered via Certass for added peace of mind.
Can you repair existing windows and doors?
Yes, we offer repair services for misted units, faulty hinges, and locking mechanisms in PVC windows and doors across Cornwall.
Are your products energy efficient?
All windows and doors use energy-efficient Low E glass to improve insulation and reduce heating costs for residential properties.
How quickly can emergency repairs be completed?
Emergency repairs, such as temporary fixes for broken doors, are often completed within two hours to ensure client safety and security.
Do you use subcontractors for installations?
No, our in-house team handles all projects from start to finish, ensuring consistent quality and direct communication throughout the process.