Sliding Sash Windows

Sliding Sash Windows, also known as Vertical Sliding Windows, will bring a bespoke elegant and authentic charm to your home with their beautiful looks and exceptional performance.

With a smooth operating sliding mechanism, they are available in traditional timber or modern uPVC, giving you the highest levels of security and an A+ Energy Rating for high standards of energy efficiency. They are available in a wide choice of colour options.

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Why Choose Glassier?

Glassier was established in 1982 with the aim of building a double glazing company based on honesty, integrity, quality, service and value for money.

Your trusted local partner since 1982

We have established a wealth of experience and we are now a leading supplier of Windows, Doors, Conservatories and Glazed Extensions in Worcestershire, Gloucestershire, Herefordshire and Warwickshire. You can trust Glassier.

A dedicated & experienced team

Our experienced and company employed installers ensure that every installation is carried out to the highest possible standards. We promise to treat your home as though it was our own throughout the entire process.

Efficient and innovative products

The majority of our products are UK manufactured, using local, experienced fabricators and suppliers. We supply and install the best, most efficient and innovative products the market has to offer.

Honesty, integrity, quality, service & value

About Us

Established in 1982, Glassier Window Systems is a family run company and a leading supplier of windows, doors, conservatories and glazed extensions throughout Worcestershire, Gloucestershire, Herefordshire and Warwickshire.

Our mission is to supply the most complete range of high quality products, backed by the best customer service and customer support. Our vision is run the company based on traditional values of honesty, integrity and value for money.

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