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  • Closely replicate traditional timber designs
  • Superb detailing, using a variety of wood grain effect & textured finishes
  • Slim sight-lines to maximise the visible glass area
  • Superb insulation with 24mm or 18mm gas filled units
  • Great longevity, with little to no maintenance required
  • Cost effective
  • Stylish sash window interior with optional features like deep bottom rails & chamfered ‘Putty-Line’ sashes

uPVC vertical sliding sash windows with double glazing in Surrey & South West London

As a Preferred Installer for the Bygone collection range of bespoke PVCu vertical sliding windows, we can install replacements which closely replicate traditional timber designs.

It’s hard to believe that these sash windows are constructed from uPVC, as they have such superb detailing that it is almost impossible to tell them apart from wooden sash windows.

Dual White uPVC Vertical Sliders
PVC vertical slider close up

Advantages of uPVC sliding sash windows

Featuring all the advantages of modern technology – no timber to rot, shrink or swell. The sliding sash window construction process means no broken sash cords; no draughty or sticking sashes. With the ease of cleaning, superb insulation and great longevity, they are extremely cost-effective.

Our standard grained, wood effect finish is available in either white or cream. Additional colours can be etched into the surface creating a long-lasting bonded paint finish.

Sarah Beeny Case Study

The Bygone collection of sash windows

The Bygone collection comes in three ranges: Symphony, Harmony, and Melody.

The top of the range Symphony model features a super slim 39mm meeting rail, WER A rated slimline krypton gas filled 18mm sealed units and traditional butt jointed construction.

All Bygone windows are covered by an extensive 12-year product guarantee.

White uPVC Sliding Sash Windows
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