Covid 19

Dear Customers during the Coronavirus Pandemic business will continue as normal but our Calverton showroom will now be open by appointment only during the week and on Saturdays. Please call us or e-mail your enquiry. We hope you all keep safe and well during these difficult times.

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Welcome to Klarheit Aluminium Window & Doors Ltd

Come and see our wide range of beautiful high quality aluminium and aluminium/timber composite windows, doors and rooflights.

Klarheit are suppliers and installers of premium, aluminium framed double glazed windows, entrance doors, bifolding doors, sliding doors, curtain walls and rooflights. We offer a wide range of aluminium products to find a solution that suites your home or project within the budget you are working to. We specialise in the brands: Schuco, Smarts, Seniors and Hormann to name but a few.

We are based in the village of Calverton on the outskirts of Nottingham. Our work area is throughout Nottinghamshire and the adjoining counties of Leicestershire, Derbyshire, Yorkshire, Lincolnshire and beyond. Please call us to see if we can help you.


Visit our Nottingham showroom and you can experience the quality of our wide range of aluminium products first hand. We are sure we can meet, if not surpass your expectations. Give us a call & we can discuss your requirements and provide you with a free, no obligation quotation.

The showroom is open 9:30am to 3.30pm Tuesday to Thursday, 9:30am to 12.30pm on Friday, Saturday 11am to 2pm. We are happy to accommodate visits outside of these hours by appointment so give us a call to arrange a visit.

Please note our showroom will be closed and only open by appointment only between Tuesday 18th and Friday 21st February.

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Simply fill in this form and we’ll call you straight back. Book your free no obligation quote today, or Call 0115 9653755

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Let’s discuss the right product for your home. Call our team anytime on 0115 9653755

Or simply complete our online form to book an appointment