Kit of parts for assembling a control assembly for a roller blind

A method of assembling a control assembly for a roller blind, said method comprising:

• selecting a driven part from a plurality of driven parts each comprising a tubular body, the tubular body of each of the plurality of driven parts having a different diameter and/or profile adapted to be inserted into and drivingly engage a respective roller blind tube;
• selecting a mounting part from a plurality of mounting parts each having an outer face incorporating a different arrangement of securing formations adapted to be engageable with a respective mounting bracket;
• and
• coupling the selected driven part and the selected mounting part with a drive part, the drive part comprising (i) a housing adapted to be coupled to any one of the mounting parts, and (ii) a drive rotatingly mounted within the housing and adapted to be coupled with any one of the driven parts.