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uPVC Patio Doors

Introducing Designer Door Company's High-Quality uPVC Sliding Patio Doors

Custom sliding patio doors from the Designer Door Company are the ideal energy-efficient solution for homeowners in Belfast and throughout Northern Ireland.     

Our glazed products are designed to combine Low-e technology with double-glazed, Argon gas filled A-rated glass to offer superior insulation for our patio doors. And with their energy-efficient design, they can help you save money on your utility bills all year-round.

Low-E (low-emissivity) glazing minimises penetration of infrared and ultraviolet light which can prevent fade damage within your home –  without reducing natural light flow.

Our stylish sliding patio doors have been tested to meet the highest standards and require minimal maintenance, offering full resistance to rot, rust, and flaking.
Crafted with only the finest quality materials, including sturdy frames and hardware, they come equipped with multi-point, high-security locking systems as a standard feature.

Our uPVC patio doors are a cost-effective alternative to aluminum sliding patio doors, without compromising on quality or style.
These robust doors make a beautiful addition to conservatories, sunrooms, kitchens and patio areas, contributing to the flow of natural light and help to create a feeling of space.
We also provide a knock-out service to create new openings in solid walls with structural goalposts and lintel installation. 

At the Designer Door Company, we understand the importance of having stylish and secure doors for your home. That’s why we offer a wide range of uPVC sliding patio doors that are both visually appealing and highly functional. Our doors are available in a variety of colors, finishes, and styles to match any home design.

Our uPVC sliding patio doors are not only aesthetically pleasing, but also incredibly easy to operate. They glide smoothly on their tracks, providing effortless access to your outdoor living space.

We stand behind our products and offer a full 10-year warranty with every set of uPVC patio doors purchased.

Key Features

  • Thermally Efficient
  • A-rated Glass
  • Energy-efficient Patio Solution
Please fill out our form below if you would like to contact us or visit our Belfast showroom.
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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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