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‘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.

READ OUR ENERGY EFFICIENCY GUIDE
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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028 9O 996 OO9

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Open 7 days a week.

252 Upper Newtownards Road, Belfast BT4 3EU

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Designer Door Company
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