The Designer Door Company Belfast.

Our story.

Our expertise lies in designing and installing the highest quality windows and doors in homes throughout Northern Ireland.

We provide external windows and doors that will secure your home and protect your family, so you can be sure that our experience and attention to detail will deliver an excellent end product.  Choosing Designer Door Company windows and doors will not only help secure your home, it will also make it more energy efficient too!


The Designer Door Company is Northern Ireland’s most successful provider of custom-built external doors. 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 customers can receive all relevant information prior to choosing a door that best suits their 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

We use the latest in locking technology which will inhibit even the most experienced burglars and protect your family from intruders. This is important given that 74% of break ins are through the front door. (Up from 71% 2014) Source: Crime Survey for England and Wales, Office for National Statistics

The Designer Door Company products are manufactured to be low-maintenance. We insist upon a strong colour finish which is designed to keep looking good year after year, both on the outside and on the inside. Customers can choose the perfect colour for the exterior of their home and match it with the ideal colour for the inside. To ensure consistency even when the door is open, we carefully colour match every edge

Our doors are attractive with realistic woodgrain finishes, and with a wide variety of options for glasswork inserts, we really have something to suit everyone.

Windows and doors

Designer Door Company

Window Installation

Our window products are manufactured using only the best quality materials. We are an environmentally responsible company; each new window frame is made from 80% recycled uPVC window frames.
Each window frame we remove from a customers home enters the recycling process.

Designer Door Company

External Doors

The Designer Door Company design and install the most luxurious range of doors in Northern Ireland. From a back door to a front door, patio doors to contemporary triple track doors, and from aluminium sliders to composite doors and everything in-between, we will design and install them all. Explore our collection and find your perfect door.

Get a Quote.

If you would like further information on any of our products or have any questions in general, please use the following methods to contact us. We will do our best to respond to you within 24 hours.

Designer Door Company