The Designer Door Company specialises in designing and installing high-quality windows , doors , sunrooms and conservatories for homes throughout Northern Ireland. Our external windows and doors are created with your family’s safety and security in mind, and are guaranteed to provide you with excellent results thanks to our experience and meticulous workmanship. Our wide array of styles and finishes ensures that we have something to suit every home’s unique character; our professional team will work closely with you to create the perfect fit.

In addition to our windows and doors, we offer bespoke sunrooms and conservatories that will add value to your property and provide you with an ideal space for relaxation and entertainment. At The Designer Door Company, we take pride in our exceptional customer service. Our team is dedicated to ensuring that you are completely satisfied with the entire process, from your initial consultation to the final installation of your new windows, doors, sunrooms or conservatories.

The Designer Door Company are Northern Ireland’s most successful provider of custom-built external doors, windows and home extensions. We advocate contemporary design, professional installation and superior warranty on all our products. Our modern, Belfast based showroom offers a unique, bespoke service ensuring that clients can receive all relevant information prior to choosing a home improvement that best suits their needs.

Key benefits that make our doors stand out for every home. Our products provide better heat insulation which will help reduce your energy bills and increase the value of your home. The doors and side panels are highly durable, and each come with a 10-year guarantee as standard.