A leading aluminium door and window specialist

Design Windows is one of the South Islands leading aluminium window and door specialists in New Zealand. Our factories and showrooms are located throughout the South Island in Nelson, Christchurch, Greymouth, Cromwell, Wanaka and Dunedin. We manufacture, supply and install aluminium joinery by, Altherm Window Systems. We offer a wide range of products suitable for all projects from entrance doors to windows, sliders, bi-folds and louvres.

We pride ourselves on being in a class of our own, providing the best window experience in New Zealand for over 35 years. At Design Windows we provide excellent window and door joinery experiences to all concerned without regret. Established in 1984 our reputation for excellence as a way of life is well known and sought out by an ever increasing number of people in the building industry. Our project managers have years of experience and would love to help with your window and door design at any stage of your building process. They are happy to talk you through the benefits of double glazing, thermally broken aluminium frames, PVC windows or the benefits of sliding doors vs bi-fold doors. Contact us or visit a showroom.

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New house with aluminium joinery in Central Otago

Get excellent windows and doors from Design Windows

Our experienced team will work with you to find the perfect fit for your next project.
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