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Casement Windows 

Our most popular window

Casement windows are our most popular and style with many configurations and options to create the perfect window to suit your home. Our casement windows are available in classic UPVC or Aluminium modern window frames. You can choose from a wide variety of colours and window fittings. We offer Casement windows fitted with both double or triple glazing for exceptional energy efficiency.

Our UPVC windows are available with three distinctive styles of frame and beading.

Make your home more energy efficient

Benefits of energy-efficient windows include:


Keep your home warm in the winter

Energy-efficient glazing reduces heat loss through windows and means fewer draughts and cold spots.

Peace and quiet

Not only do they keep the heat in, but energy-efficient windows also insulate your home against external noise.

Reduced condensation

Energy-efficient glazing reduces condensation build-up on the inside of windows.

Lower your energy bills

Around 20% of heat escaping from a home is lost through its windows. Old draughty windows might be

adding to your heating costs. Be assured all window units supplied by us achieve the current building regulation

standards or better to help you save money on your energy bills. A-rated windows are fitted as standard.

We understand that buying replacement windows for your home is a big investment, and that’s why it’s important to get it right.


We take great pride in ensuring our windows offer the very best in energy efficiency, with 20mm argon filled glazing gap, draft- resistant seals, low-eglass and warm- edge space bars. We offer both double or triple glazing.


We always put your safety first, all our windows comply with stringent British security standards with features including multi-point stainless steel locking system, high security locking cylinders.


Since 1990

From our factory in Newstead Village Nottingham.

We provide expert design, craftmanship and manufacturing.

We take pride in every detail to ensure that we deliver  nothing less than the highest quality.


We are honest and at all times fair with you. We don’t artificially inflate our prices in order to offer dramatic discounts. We simply offer an honest price first time.  As local manufacturers and installers, everything is made to measure, therefore we know our margins and keep the price right first time. 


Rest assured all information will be kept confidential


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Please tell us how you hear about us.

Thanks for your enquiry, we will contact you shortly. Kind Regards Leivers & Millership


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What our customers are saying

Ms Harris January 2023

Come highly recommended. The company have been absolutely brilliant. They have done an amazing job. Reliable and trustworthy. From start to finish i could not fault them in any way

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