If you have a pole, measure the distance between the finials (the decorative baubles at the end of a pole).
If you have a track, measure the total length of the track.
Before you start, you need to decide where you want your curtains to finish; At the window sill, below the window sill. (approx. 15cm below the sill) or to the floor (as per below ).
The total drop for pleated headings is measured in 2 parts – the eye drop and the heading height
This is the distance from the eye (where the curtain hook attaches) to where you want your curtain to finish.
The heading height is the distance from the eye to where you want the top of your curtain to be. For tracks, we suggest a heading height just above the top of your track so that it is not visible above the top of the curtain. For poles, we suggest a heading height from 2cm above the eye to just above your curtain pole according to your own taste. Curtains will hang best with a smaller heading height.