If you're looking for a low-maintenance window that won't fade or rot, you'll find it with a Crystal-Windows uPVC design. Available across our whole range of styles, we make every uPVC window to order, using the latest technology. It's what makes us an industry leader and uPVC double glazing our most popular choice.

uPVC casement windows are our most popular choice. Each one is individually designed according to your specifications and manufactured by our team, using the highest-quality, energy-efficient materials.

Each uPVC casement window is individually made with your choice of frame, glass and configuration.

We supply windows and doors to the trade and DIY.

We can supply fixing kits with our windows which includes the right type of silicon sealant.fixings,drill bit and glazing packers

Allows maximum light into your rooms

Energy efficient – can help reduce your heating bills
Secure – espagnolette locks, key locking handles and toughened glass where required.
Effective noise reduction – cutting down sounds from outside
Added heat retention – opt for A+ rated windows or triple glazing

Glazing, decorative features  and added functionality

Bevelled Glass

Fret

Leaded

Obscure Glass

Tilt & Turn