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10 Years Insurance Backed Guarantee

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DGCOS Member

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FENSA Approved

Quality Manufacturers & Installers

Quality Manufacturers & Installers

Vertical Sliding

Our sliding sash windows are designed and manufactured in-house here at our very own factory. We focus on designing our sliding sash windows to be smooth and sleek with slim profile sections that provide a perfect appearance.

Timber Sliding Sash Windows

Our traditional sliding sash windows are designed and manufactured to perfectly match the existing timber product around your home. When replacing tired wooden windows, we will ensure that we match the timber to ensure an authentic and traditional like for like replacement to suit the style of your home.

uPVC Sliding Sash Windows

Taking all the finest points of the traditional design, the PVC-U version matches the aesthetic appeal while offering superior performance and maintenance benefits. Weights and pulleys are replaced by sophisticated spring and spiral balances, and a unique tilt facility to enable cleaning of sashes safely from the inside.

uPVC sash windows provide the best blend between modern technology whilst in keeping with traditional styles.

Features & Benefits

Traditional front to back profile dimension to match existing box arrangements

Sections designed to match traditional aesthetic appeal

Deep bottom rail option

Upper and lower sashes tilt inwards for ease of cleaning

Traditional astragal Georgian bar arrangements

Traditional hardware design and functionality

Full range of style options and sizes to enable replacement of traditional products


For more information on our sliding sash windows, please contact our team, we’re more than happy to help with any questions you may have.

vertical sliding sash inside decorated

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Find Out What Celestial Can Do For Your Home…

Celestial Windows is a trading name of Celestial Windows and Conservatories Limited

Authorised and Regulated by the Financial Conduct Authority. We are a Credit Broker and not a Lender. We offer Credit Facilities from one Lender