At Design Window & Door Systems we’ve been manufacturing and supplying uPVC windows to installers and builders for over 27 years. We know windows, we know what your customers are looking for and we know what you need in order to install windows quickly and easily.

Spartan Windows are the result of our fabrication and manufacturing experience. By choosing the Spartan uPVC double glazed window range you can offer your customers:

• A wide range of styles and designs for every taste.
• Some of the best energy efficiency ratings on the market
• A frame that is strong yet lightweight.
• Long lasting quality and technical performance.
• Security built in as standard with a range of high performing and secure locks, handles and hinges.
• A huge range of double and triple glazed options and decorative features.

Every window is designed with you, the installers, in mind. We supply a range of hardware to match each window style, including locks, handles, hinges and cills that are easy to install yet robust and high performing.