Casement Windows

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Due to their functional, adaptable & budget-friendly attributes. Defined purely by the fact that they open outwards, the rest of their design is up to you.

Ventilation Qualities


Creating simple yet clean practical lines, our charming casements are exceptionally hard-wearing & weather-resistant; truly built to last.

Straightforward Design


casement windows built from aluminium are some of the most versatile windows you can find. Perfect for new builds and modern home.

Double glazed casement windows


Here at Altra Glass we supply and installing uPVC casement windows across North Wales. Nothing compares with the classic appearance of casement windows which will instantly improve the comfort, appearance and security of your home.

Slim frames give a clean look that maximises the area of glass, so plenty of light floods in and you can make the most of your view of the outdoors. Whatever the weather is outside, our windows make you feel safe, warm and secure. Our uPVC casement windows are available in a range of colours and glazing options.

Available Colours


Anth Grey
Anth Grey
Anth Grey Smooth
Anth Grey Smooth
Black Brown
Black Brown
Clotted Cream
Clotted Cream
Elephant Grey
Elephant Grey
Golden Oak
Golden Oak
Green
Green
Irish Oak
Irish Oak
Mahogany
Mahogany
Pearl Grey
Pearl Grey
Rosewood
Rosewood
Slate Grey
Slate Grey
Slate Grey Smooth
Slate Grey Smooth
Simply Whitegrain
Simply Whitegrain

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