Design Windows has a window to meet every design requirement from awning and casement windows and roof windows to sliding windows and bi-folds or custom window solutions. We have a large range of designs, colours, double glazing and hardware options to choose from to create the perfect window for your home. All our aluminium and uPVC windows made by our expert window manufacturers can be double glazed for extra comfort - even during Canterbury and Otago winters. You can view and buy uPVC or aluminium windows at any of our showrooms around the country.