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, saving you money on heating bills.

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Choose Your Window Style.
Aluminium Windows
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Lead Light Retention
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Triple Glazing
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Double Glazing
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SASH WINDOWS


CASEMENT WINDOWS


TILT & TURN WINDOWS


ALUMINIUM WINDOWS


FRENCH WINDOWS


SHAPED 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.
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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 can save 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.
‘A’ energy rated as standard
Every Designer Door Company window comes with a WER ‘A’ Rating as standard. Designed for enhanced energy and thermal performance, Designer Door Company’s multi-chamber design minimises heat loss through the frame, whilst the Soft Coat glass, warm edge spacer bars and high-performance glazing reflects internal heat back into the home whilst absorbing solar energy from outside.
DESIGNER DOOR COMPANY
Designer Door Company.
Designer Door Company is Belfast's most innovative supplier of external doors. We design and install bespoke Composite, Aluminium, Patio, Triple-track sliders, French, uPVC, Stable, Bi-fold, and Shaped doors for happy customers across Northern Ireland to suit the style of their home. Our doors are supplied hinged, glazed, and with your choice of accessories. Ultion multi-point locks can also be provided.
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WE ARE HERE TO HELP
Get A Quote.
Get a Free In-home Consultation With Our Sales Consultant.
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Contact Us.
Accreditations
