Windows, Doors, Conservatories and Sunrooms.

At the Designer Door Company, we listen to our customers. Let us help you select the perfect Windows, Doors, Conservatories and Sunrooms to compliment your home.

Visit our showroom in Ballyhackamore, Belfast, where you can see plenty of examples on display.

Designer Door Company
Designer Door Company


We design and install a wide range of bespoke exterior doors that are custom built to suit your home or property.

Our doors are supplied hinged, glazed, and with your choice of accessories. Ultion multi-point locks can also be provided.

You’re in the right place to discover your new dream door with our designer door app. Explore this now!


Our windows are made using a variety of different materials, selected specifically for their strength and beauty.

Whether you choose french windows, casement windows, tilt and turn windows, bay windows or anything in-between, we will have the perfect style for you.