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Sash Windows

Feel the fresh air breeze enter your home with the sophisticated sliding sash windows. Covering Bristol, Bath, Somerset, Gloucestershire and surrounding areas, we design our sash windows to the highest specifications to match that of new-build homes, they retain its heritage qualities at the same time.

contemporary styling, thermal performance, weather resistant

Sliding Into Perfect Place

Over time sliding sash windows have been historically associated with style and wealth, which makes this window type desirable amongst homeowners. They present a great solution to preserving the period features of your house with its traditional and elegant finish. The very handy slide and tilt facility makes it simple to clean, but the system itself is known to have virtually no maintenance required. Security tested to PAS 24:2016 it allows you to upgrade your previous window specification to meet regulations on new-build homes, giving you true peace of mind.

Honourable Styling For Historic Buildings

From Full Georgian to Georgian Variant, Asymmetric and Margin Windows, there are 13 design styles to choose from. Not only that, there are plenty of ways to make your sliding sash windows unique to you with an array of designs, shapes and colours. From seamless corner welds, butt jointed deep bottom rails, a heritage hardware range, true arches and two types of sash horns. Cream Grain to Irish Oak, Chartwell Green and Cherrywood, there is the option to select form the bespoke RAL system too. Choose one of the many woodgrain finishes inspired by the look and feel of traditional timber windows.

Sash Windows

Every Inch Efficient

Made of high-quality weather resisting uPVC it is multi-chambered and reinforced to prevent losing its quality through different climates. The quality of the double glazed sash windows has been tested time and time again to ensure that it is compliant with British standards for weather performance. The nature of uPVC allows the material to fabricate a durable and efficient sash window that mimics that of its timber sister whilst remaining energy efficient. Its brush seals around the opening eliminate draft and the ‘Low E’ glass alongside its warm edge space bar promise heat retention and A+ energy rating where required.



Run Through Sash Horns. EUROSASH windows have an optional run through sash horn which is designed to provide a more authentic appearance as an alternative to the standard clip on decorative horn.

Sized to Perfection

The key measurements and constraints of the Standard Sliding Sash Windows are as follows:

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Standard uPVC Sliding Sash are available in the following dimensions:

Outer Frame Depth
Standard Sill Height
Upstand Sill Height
Mid-Rail Height Internal
Mid-Rail Height External
Minimum Width
360mm (475mm for seamless)
Maximum Width
Minimum Height
Maximum Height

Colour options

A range of colours

Vertical sliding sash windows look great in pure white uPVC. It’s a classic, but why stop there when there’s a colour or finish to suit any style of property. And if white is your preference, why not choose a grained finish that replicates the appearance of painted wood? We even offer dual-colour options so you can choose something different for indoors and outdoors. Free your imagination.

See Clearly with Crystal Clear

The Standard uPVC Sliding Sash Windows come with a ten year manufacturing guarantee as standard, along with the 10 year Crystal Clear installation warranty too.

Care & Maintenance

Here at Crystal Clear we are about the quality of our products and the experience of our customers. That’s why we’ve invested into providing maintenance guides, offering information on how to look after your product so it lasts for as long as possible. You can see the sash window guide here.