uPVC Windows

DESIGNER DOOR COMPANY WINDOWS

uPVC Windows Belfast.

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.

Why Choose Designer Door Company uPVC Windows?

Our high-quality windows are manufactured under strict quality control in Northern Ireland and are the best energy rated windows on the market, and are made from 80% recycled uPVC components, so they are environmentally sustainable too. Designer Door Company windows come with a high-security frame with a multi-point locking system, for added peace of mind, and provide complete weatherproofing against the cold and rain, so you can rest easy knowing your family are safe and warm.

Window Styles.

We design, supply and install many types of windows like casement windows, tilt and turn windowsvertical sliding sash windows and French windows, and if you have an unusually shaped aperture, we also provide shaped windows too, so no matter what your glazing needs are, we’ve got it covered.

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