award winning manufacturer of uPVC windows and doors since 1995

We manufacture and supply


DL Windows have been in operation since 1995 manufacturing and suppling windows, doors and conservatory roofs for all types of houses . Our manufacturing premises are in Clonalvy, Garristown, Co. Dublin, where we have invested in leading-edge technology, operated by a highly skilled, precision workforce. From simple, traditional windows to more architecturally demanding designs, our expertise and tailor-made approach will ensure that you get the very best.

Our team will meet you to discuss your needs and can offer expert advice. DL Windows can help you choose your windows and guide you through the extensive selection of accessories. When it comes to installation, our team has all the experience to get the job done neatly and efficiently with minimum disruption.

"Our aim: to become synonymous with quality! DL Windows give a full, written warranty for your windows upon installation. Because we make them, we are fully accountable for them!"
Danny Lee, Managing Director, DL Windows.

Manufacturers and suppliers

Standard of excellence guaranteed