GC Double Glazing & Locks

GC Double Glazing & Locks is a family-owned business based in Sunderland, with over 28 years of experience in the UPVC and Aluminium industry. Our expertise spans across fabrication, installation, sales, service, and commercial contracts. We specialise in providing a range of services within the North East Area, including replacement windows and doors in UPVC or Aluminium, Aluminium Bi-folding doors, and repairs to existing windows and doors in UPVC or Aluminium.

Our Services

We offer a comprehensive range of services to meet all your window, door, and lock needs.

*Replacement Windows & Doors:* We replace windows and doors in UPVC or Aluminium, providing you with the best solution for your needs. Our experienced team offers a prompt and friendly service, delivering high-quality products that enhance the look and feel of your property.

*Aluminium Bi-folding Doors:* We provide Aluminium Bi-folding doors in either white or RAL coloured to suit your style preferences. Our doors are designed to last, offering you a durable and sleek solution that adds value and sophistication to your home.

*Repairs:* Our repair service covers existing windows and doors in either UPVC or Aluminium. We can repair issues with double glazed units and locks, ensuring your windows and doors function correctly and look great.

Product Range

We offer a diverse range of products for your convenience.

*UPVC Windows & Doors:* Our UPVC windows and doors are energy-efficient, attractive, and durable, offering you a long-lasting solution for your home.

*Composite Doors:* We provide a wide range of composite doors that incorporate a variety of materials, providing you with a strong and robust solution that is also stylish.

*French Doors & Patios:* Our French doors and patios are designed to add elegance and functionality to your home. We provide a selection of styles and finishes, allowing you to find the perfect addition to your property.

*Aluminium Windows:* Our Aluminium windows are robust, stylish, and energy-efficient, offering you a high-performance solution for your home.

*White or RAL Coloured Products:* We offer a selection of white and RAL coloured products, allowing you to choose a style that best suits your property.

Upgrades

Our energy-efficient upgrades are designed to enhance the performance of your home. We offer a range of solutions that can update your home, making it more efficient and comfortable.

*Euro-Cylinder upgrades:* We provide Euro-Cylinder upgrades to more secure, 1 Star or 3 Star in line with the latest British Standards.

*Security Hardware:* We classify all Euro-Cylinder and Security Hardware under the TS007 British Kitemark with the use of a star rating system.

At GC Double Glazing & Locks, we are committed to providing our customers with prompt, friendly, and efficient services. We offer a wide range of UPVC and Aluminium products, backed by our 28 years of experience in the industry. Our experienced team is dedicated to ensuring that your experience with us is positive, whether you need repairs, replacements, or upgrades. We pride ourselves on our attention to detail, quality workmanship, and outstanding customer service.