Introducing The Origin Casement Window

Casement windows that are tailor-made for your property. Easy to maintain and energy efficient.

The Origin Casement Window

An Origin casement window is a fantastic way of allowing natural light into your property. Available as an OW-80 or OW-70 you have plenty of choice to get the perfect window system for your needs. The OW-70 boasts thinner sight-lines, of just 65mm which facilitates more glass and better views of your outside. The OW-80 can be manufactured in a much larger sizes, of up to 7.0 sure metres.

Why choose the Origin Casement Window?


Up To A 20
Year Guarantee

High Grade

Tight Seals



150 RAL




OW-80 casement

The main advantage of the OW-80 window is that it can be manufactured up to an impressive 7.0 metres square. It can also be personalised to your style with over 150 colour options, colour coded gaskets and handles. It also comes with an industry-leading external and internal flush casement.




OW-70 casement

The OW-70 window may have slightly fewer options for customisation and have a slightly smaller maximum size of 4.8 metres square. The advantage is it’s ultra-slim sight-lines which are just 65mm, maximising any views. It has the same options with regards to colours and hardware and also comes with a product guarantee of up to 20 years.

Thermal efficiency

Origin frames have a polyamide thermal break, that exceeds current building regulations for efficiency. It will help keep you warm in winter and cool in summer. The OW-80 range can be triple glazed or integrated with Aerogel, which can achieve an A++ energy rating, making it one of the most efficient windows on the market. Aerogel can also help lower your energy costs.




Highly Secure

Every casement window from Lincolnshire Bi-folding Doors, comes with peace of mind for you and your family built in. Integrated with Yale’s renowned Encloser locking system, which offers excellent levels of security.

Manufactured with stainless steel hinges, hinge guards and crimped frames and locking handles these windows are very safe and secure.

Your Colour

Available in 150 RAL colours, you will be sure to find a colour that suits your properties style. If you select one of our popular colours, black, anthracite grey or white, we will be able to deliver them even faster. We can also manufacture casement windows in a range of wood effect finishes from oak to mahogany, so you get the look of wood, but with all the added benefits of aluminium.


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