Origin Aluminium Windows


Origin Aluminium Windows

Available in both OW-70 Slimline and OW-80 Premium ranges, the Origin Casement Window combines traditional design, advanced manufacturing and versatile premium grade aluminium for high levels of security and thermal efficiency to complement any type of build.

Choose The Right

System For Your Home




65mm Sightline

Up to 1.2W/m2K

PAS 24 as standard with Nemesis multi-point lock




91mm Sightline

Up to 0.8W/m2K with Aerogel

PAS 24 as standard with Yale multi-point lock

Premium Partners

Hertford Glass are Origin Premium Partners for the supply & installation of all Origin Aluminium products completely bespoke and tailored to your requirements with a choice of colours, finish and accessories.

origin premium partner

What's the difference?


Equally sleek and contemporary, the OW-70 Casement Window may not offer as large individual maximum sizes, but it does offer ultra slim sightlines of just 65mm – providing a modern finish for any home, and like the OW-80, can be coupled to other windows to make up a large overall configuration. Maximum dimensions of 1,400mm in height and 950mm in width on the side hung window.


Completely bespoke, OW-80 casement windows can be manufactured in a huge array of configurations. With large maximum sizes, it also offers the option to couple windows next to each other to ensure that we have a window solution for any size aperture. Individual side hung casement windows on the OW-80 can be made up to 1,800mm in height by 1,000mm wide.
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