Alternative Window

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About Us

Alternative Windows has grown to become one of the largest window and door manufacturers and suppliers in the North of England. They commenced work simultaneously in the fenestration (replacement double glazing) industry in 1984 as PVC-u Window and Door installers with a local Leeds based Company, we also manufacture Aluminium Windows, Aluminium Folding Doors, UPVc Folding Doors, and Triple Glazing.

Office Location: Sycamore House, Cross Green Industrial Estate Knowsthorpe Lane, Leeds LS9 0PJ

Email: sales@alt-win.com

Phone: 0800 035 4180 | 0113 2483773

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20 April 2026 4:04 pm local time

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