uPVC Patio Doors

TESTED TO THE HIGHEST STANDARDS

uPVC Patio Doors.

Our high-quality uPVC sliding patio doors, combined with Low-e and our thermally efficient double-glazed A-rated glass, offer homeowners across Northern Ireland an energy-efficient patio solution. At Designer Door Company we use only the best quality frames and hardware with the highest security locking systems in our sliding glass doors. We offer a full 10-year guarantee with every purchase.

uPVC material can be an affordable alternative to aluminium sliding patio doors, so whether you are on a tighter budget or you simply prefer uPVC, these flawless, robust doors will make beautiful light-filling additions to conservatories, sunrooms, rooms and patio areas.

Our stylish sliding patio door range meets tests of the highest standards. Our doors are perfect for busy lives and are practically maintenance-free. Our doors will never rot, rust or flake, and come double glazed with high-security locking systems as standard.

Key Features

  • Thermally Efficient
  • A-rated Glass
  • Energy-efficient Patio Solution
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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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