Sliding Sash Windows

Both sliding sash windows and sash horn windows are available from the Liniar range, lovingly installed by our expert team here at Lancelot. A beautiful choice for more traditional properties that aim to maintain the character and charm of their home, but with all the benefits of state of the art uPVC double glazing.

Sliding Sash Windows

Incorporating traditional sash style, the addition of sash horns will add a touch of classic design. A sophisticated uPVC window option, using integrated horns fabricated from a single piece of uPVC material for a refined appearance in comparison to any screw on alternatives.

Features & Benefits

Sash Horns

Sash HornsOptional sash horns enhance the traditional appearance of your uPVC sliding sash windows.

Spring Balance

Spring BalanceSpiral balances counteract the weight of the sliding sash for smooth sliding operation.

Concealed Gaskets

Concealed GasketsLow-level PCE gaskets provide protection from the elements whilst remaining out of sight.

Keep Children Safe

Keep Children SafeRestrictors are available to stop the bottom sash sliding fully and trapping little fingers.

High Security

High SecurityuPVC vertical sliding sash windows are available with high security cam locks for your safety.

Tilt Function

Tilt FunctionBuilt in pivot bar enables sashes to tilt inwards for cleaning or extra ventilation in an instant.

Low Maintenance

Compared to the traditional timber frames of a sliding sash window that required continuous painting or varnishing, brand new Liniar uPVC sash windows need very little maintenance. A simple wipe with a damp cloth will keep your vertical sliding sash windows looking as good as new all year round. A great choice for a busy lifestyle.


Stop fretting about the maintenance of your double glazing and simply enjoy their elegance for a lifetime. Wood rot, discolouration and flaking are a thing of the past with Liniar’s perfect window profile system. Designed with the homeowner in mind a Lancelot sash window couldn’t be better in terms of technological advancements and aesthetics.

Thermal Efficiency

Thermal Efficiency

Not only are the windows easy to maintain, they also offer superb energy efficient properties to keep your home warmer for longer. Unlike wooden frames and single panes of glass, our double glazed uPVC sash windows offer a Window Energy Rating of A+ as standard.

Our sash windows will also save you money. Having thermally insulated windows installed will reduce your heating bills almost instantly. As Liniar’s advanced multi-chambered profile locks in pockets of warm air, you will notice the difference in the temperature of your home and the amount of noise reduction.