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Want to browse more of our beautiful range? You can view our luxurious selection of front doors, sliding doors, bifolding doors and windows by simply entering your email address below, where you can then download a brochure of choice.

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Why Klosen for Doors and Windows?

Klosens mission is to provide an outstanding customer experience, backed with a premium quality of products.

Our customers choose us because they recognise our individuality, admire our designs, attention to detail and the service we deliver. From our contemporary factory and showroom in Market Deeping our team of skilled craftsmen manufacture bespoke products specific to the individual needs of our clients.

Incredibly Happy

★★★★★
5 5 1
Recently worked with Klosen on my new build property that involved multiple sets of sliding doors. Incredibly happy with their attitude and service from beginning to end. They were very prompt to always answer any questions I had and the installation was very hassle free.

Very Helpful

★★★★★
5 5 1
Very helpful and competitive on price. I purchased several lift and slide doors off them recently and they were very quick delivering them.

Happy & Would Recomend

★★★★★
5 5 1
Klosen installed some aluminium windows, sliding doors and a front door for ourselves recently. Very easy to deal with them all, and extremely happy with the products received and the installation quality. They offered a great range of products, not just one or two, which we found very important when making our decision on window & door supplier for this project. We would happily use again and recommend.