Here’s a list of some commonly used terms for period property windows. We add to it regularly but if you have a term you would like us to explain please use the comment form at the bottom of the page. 

• Architrave
  
• Argon Gas (Glazing filler)
  
• Ashlar
  
• Balance
  
• Bottom Rail
  
• Box Sash Windows
  
• Casement Windows
  
• Cord
  
• Draught Strip
  
• Fanlight
  
• Fixed in place
  
• Gable Fronted Dormer
  
• Glazing
  
• Glazing Bars
  
• Grain
  
• Inside Lining
  
• Jambs
  
• Jigs
  
• Joggle
  
• Listed Building
  
• Make-weight
  
• Meeting Rail
  
• Parting Bead
  
• Pulley Wheel
  
• Sash Cords & Weights
  
• Sash Horn or Joggle
  
• Sash Weight
  
• Sash Width
  
• Sash Window Lintel
  
• Sash Windows
  
• Spacer
  
• Stool
  
• Window Sill