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PinnedMeasuring your windows and doors are easier than you think. It's the first step for you to order new windows and doors, and you can save a lot by doing it yourself. Learn how right here on our site.
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Our most popular windows and doors
It's easy to measure windows → Here's how!
#howto
Measuring your windows is much easier than you think. Here's 6 tips and a video guide to help you. Learn how to measure correctly in just a few minutes.
Purchasing guide for doors
#Guide
With the help of our user-friendly website, we've made the buying process even easier than before. This guide will walk you through how the buying process works and what you need to know so you can choose the right doors.
Your comprehensive guide to window and door installation
#howto
About to embark on a DIY home improvement project? We've put together a comprehensive windows and door installation guide to make it easier for you to get started. Be prepared for lots of great advice and information!
Frequently asked questions
#knowledge
Here you'll find answers to frequently asked questions within the categories: ordering, payment, delivery, measuring and installation, and complaints.
Contact us
Klar Windows Ltd. Org. number 12164419 90 High Street, Newmarket, CB8 8FE England Phone: +44 08081 649 920
It is not possible to visit us at our address. You can visit our digital showroom here
Opening hours for customer service:
Monday to Thursday 8.00-16.00.
Friday 8:00-15:00.
Closed on public holidays.
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