Please visit our Wickford Showroom ( please click here for opening times ).
Our Billericay Showroom will be closed due to refurbishment and will be opening soon. Thank you.

Sash Windows

Our vertical sliding sash windows have a timeless elegance, crafted with attention to detail to ensure the authentic appearance of original Timber Sash Windows of a distinguished era to retain the original character of your property.

Thermaseal Sash Windows not only emulate the aesthetics of their traditional timber equivalent, they also offer many additional benefits.


  • Front to back frame dimensions to match existing sash windows
  • Deep bottom rail option
  • Sash tilting for easy cleaning
  • BFRC energy rated
  • Full range of designs available
  • 10 year guarantee