WELCOME TO DESIGNER DOOR COMPANY

High Performance Windows.

EXPLORE BELOW
Windows
WELCOME TO DESIGNER DOOR COMPANY

Choose Your Window Style.

If you are looking for high-performance windows, we have the answer. Our uPVC windows and aluminium windows offer durability and require lower maintenance than traditional windows. The thermal properties also increase performance and eco-friendliness. As a result, this saves money on heating bills.

uPVC Windows

uPVC Windows

uPVC Windows

The Designer Door Company is one of the most reputable window installation companies in Northern Ireland, so if it's quality uPVC replacement windows you need, then look no further. uPVC has been dominating the double glazing window market for many years, and for good reason. Every window we supply is incredibly durable, requires little maintenance and is one the most cost-effective ways to add A+ double glazing efficiency to your home.
LEARN MORE
Aluminium Windows

Aluminium Windows

Aluminium Windows

Our Shaped Windows can create an exclusive vibe for any newly built or period home. We use advanced moulding and forming window design technology, which allows us to create frames in virtually any shape.
LEARN MORE
Lead Light Retention

Lead Light Retention

Lead Light Retention

Nothing quite matches the beauty and lustre of real stained glass, especially when sunlight shines through it. If you want to improve the overall look of your house by changing your front door, stained glass sidelight or windows, why not consider converting the old stained-glass windows to double glazed windows.
LEARN MORE
Triple Glazing

Triple Glazing

Triple Glazing

The Designer Door Company is Belfast’s most popular window and door installation company; based in Ballyhackamore, Belfast. Every day we install uPVC and aluminium triple glazed windows to customers across Northern Ireland. Whether you own a period property, barn conversion or modern home, we offer a wide range of frame styles and colours to suit any homeowner's personal tastes.
LEARN MORE
Double Glazing

Double Glazing

Double Glazing

The Designer Door Company is a premium product-focused window installation company based in Ballyhackamore, Belfast. Every day we install uPVC and aluminium double glazed windows to customers across Northern Ireland. Whether you own a period property, barn conversion or modern home, we offer a wide range of frame styles and colours to suit any homeowner's personal tastes.
LEARN MORE

SASH WINDOWS

Windows And Doors

CASEMENT WINDOWS

Windows And Doors

TILT & TURN WINDOWS

Windows And Doors

ALUMINIUM WINDOWS

FRENCH WINDOWS

Windows And Doors

SHAPED WINDOWS

VIEW ALL WINDOWS
WINDOW SERVICES

Double & Triple Glazed Windows.

Our double and triple glazed windows are available in a wide range of colours and styles making it easy for you to find the perfect product for your home. We offer a dedicated colour matching service for uPVC windows and aluminium windows.

DESIGNER DOOR COMPANY

A Wide Range Of Colours & Styles.

Why not come and visit us at our Belfast showroom, or let one of our friendly experts visit you at home for a free, no obligation quote.

LEARN MORE
WE ARE HERE TO HELP

Get A Quote.

Get a Free In-home Consultation With Our Sales Consultant.
REQUEST A CALL
Designer Door Company
Designer Door Company
Designer Door Company
Designer Door Company
OUR OFFER

High Performance Windows.

If you are looking for high-performance windows, we have the answer. Our uPVC windows and aluminium windows offer durability and require lower maintenance than traditional windows.

The thermal properties also increase performance and eco-friendliness. As a result, this saves money on heating bills. Our double glazed and triple glazed windows are available in a wide range of colours and styles making it easy for you to find the perfect product for your home.

We offer a dedicated colour matching service for uPVC windows and aluminium windows.

CONTACT US