How To Get A Quote


Quotation requests are required in writing and prices cannnot be provided over the phone. Trade Prices require a company letter head or purchase order.

What Information Do We Require?

In order to process your quotation request and provide you with an accurate price, we require the following information (click here to see an example of the information we need):

  • The product you wish for us to quote. (i.e. aluminium windows)
  • The system you wish for us to quote. (i.e. Premium Plus Windows)
  • The product details, including; sizes, colours, glass, styles and designs for each item.
  • Any additional information, requirements or specialist instructions. (For example... I require; direct fix outerframes, internally glazed sashes, trickle vents, a 150mm projection cill etc.).

Please note: All of our products are bespoke and made-to-measure, to your exact specifications.

For more help and advice on specifying or pricing our products please call us on (01268) 681612.

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Leading Manufacturer of Aluminium Windows and Doors

Founded in 1985, Duration Windows has grown to become one of the UK’s foremost manufacturers of premium aluminium windows and doors. Specialising in Bi-folding Doors, Secondary Glazing, Sliders, Roofs, Modern Windows Modern Doors, Steel Replacement Windows and Doors, we proudly serve customers nationwide

Our modern facilities, including offices, factories, and warehouses, are based in the Thames Estuary on Canvey Island, Essex. Over the past four decades, we’ve built a strong reputation for innovation, technical expertise, and exceptional product quality, cementing our position as a trusted industry leader.

...Duration was founded in 1985 and has been successfully and continuously trading ever since. This is proof of your guarantee....
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Deliveries handled using in-house fleet
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Where you can see us in 2024
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Steel Replacement Windows & Doors
Heritage
  • Our Growth & Facilities
    Duration Windows has experienced sustained growth, enabling us to significantly expand our operations. Our purpose-built manufacturing plants cover an impressive 68,000 square feet across 18 specialised factory units. Each facility is dedicated to a specific product line—ensuring focused production, exceptional craftsmanship, and streamlined operations. Our growth and investment in advanced technology allow us to meet increasing customer demand, offer shorter lead times, and maintain high standards of quality control throughout our entire manufacturing process. Discover our world-class facilities and see how we bring quality to life—book a tour today.
  • Our Products
    At Duration Windows, we offer an extensive and bespoke range of aluminium products, sourced from the most reputable brands in the industry. We are proud to be your one-stop shop for all aluminium window and door solutions, including: Each product is designed to provide exceptional security, energy efficiency, and high performance. Whether you’re looking for a contemporary finish or a traditional look, our windows and doors offer unparalleled quality and value. Want to explore our full range? Browse our products now or get in touch to discuss your specific needs.
  • Why Choose Us?
    • • Uncompromising Quality: All our products are manufactured to the highest industry standards, using premium materials and cutting-edge techniques.
    • • Swift Lead Times: With substantial stock levels and local UK production, we ensure quick delivery. Our Fast Track Ordering service is available for urgent orders.
    • • Dependable Deliveries: We manage our own fleet of vehicles, ensuring reliable, on-time delivery for all orders.
    Ready to experience the quality for yourself? Contact us today for a free quote or more information.
  • Experience Our Showroom
    We invite you to visit our Large 3000 square feet Showroom and experience our products in action. Touch, feel, and see for yourself the exceptional quality of our windows and doors. Our team of knowledgeable advisors will guide you through our extensive range, offering expert advice and answering all your questions. Rest assured, our showroom is a pressure-free environment—no pushy sales tactics, just professional support. Don’t wait—book your showroom appointment now and see our products up close.
  • Expertise & Customer Support
    At Duration Windows, we understand that every project is unique. Our team are dedicated to providing tailored solutions for every customer, from first-time buyers to seasoned industry professionals. We offer comprehensive customer support at every stage of your journey. Whether you need pre-sales advice, technical guidance, or post-sales assistance, our team is here to ensure you make an informed decision. We also provide essential resources, including installation guides, technical manuals, and downloadable DWG and DXF files — all available on our website for your convenience. Need help? Speak to an expert today for advice or support.
  • Industry Recognition
    As a leader in the aluminium window and door industry, we are proud to be recognised by some of the most respected governing bodies. We have earned Kitemark accreditation from BSi. We are an approved supplier to the Ministry of Justice, further demonstrating our commitment to quality and compliance..
  • Innovation & Product Development
    At Duration Windows, we are committed to continuous innovation. We were the first UK manufacturer to introduce aluminium bi-fold doors to the trade and remain at the forefront of product development in the industry. Our team of designers and engineers consistently work on new systems and solutions to meet the evolving needs of our customers. Many of the products we supply—including our secondary glazing and aluminium roofs—are developed and designed in-house, ensuring that we maintain full control over quality and performance. Want to stay ahead of the curve? Discover our latest innovations today.
  • Our Guarantees
    We are confident in the quality and longevity of our products, which is why we offer a 10-year guarantee on all aluminium windows, doors, and related accessories. This includes the anodised or polyester powder-coated finish. For integrated blinds, we offer a 5-year guarantee, providing you with peace of mind that your investment is well protected.
  • Marketing Support
    We are committed to helping you grow your business. Our Marketing Support page offers resources and materials to assist you in promoting our products and driving sales. Whether you need product images, brochures, or other marketing tools, we’ve got you covered. Looking to grow your business? Get in touch to learn more about our marketing resources.
  • Contact Us Today
    For more information about our products, services, or to book a visit to our showroom, get in touch today. Our expert team is ready to assist you with all your aluminium window and door needs. Don't wait — contact us now to get started with your project or to speak to a member of our team.

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